diff --git a/Gruntfile.js b/Gruntfile.js
index 05b2e5c..ea14fac 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -16,8 +16,12 @@ module.exports = function(grunt) {
       },
       js: {
         src: [
+          'js_src/Shape.js',
+          'js_src/Svg.js',
+          'js_src/Keyboard.js',
           'js_src/SettingsWindow.js',
           'js_src/UpdatePanel.js',
+          'js_src/PrinterPanel.js',
           'js_src/Help.js',
           'js_src/d3dServerInterfacing.js',
           'js_src/verticalShapes.js',
diff --git a/Makefile b/Makefile
index 84a769a..f4ed59f 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME := doodle3d-client
-PKG_VERSION := 0.9.0
+PKG_VERSION := 0.9.2
 PKG_RELEASE := 1
 
 PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
@@ -22,6 +22,16 @@ define Package/doodle3d-client/description
 	This package provides the Doodle3D web client, which interacts with the wifibox package using a REST API.
 endef
 
+define Package/doodle3d-client/config
+	config DOODLE3D_CLIENT_MINIFY_JS
+		depends on PACKAGE_doodle3d-client
+		bool "Minify javascript"
+		default y
+		help
+			All javascript files are concatenated into one file; this file enables minification
+			of that file. Disable this to make on-the-fly modifications easier.
+endef
+
 define Build/Prepare
 	mkdir -p $(PKG_BUILD_DIR)
 	$(CP) less $(PKG_BUILD_DIR)/
@@ -35,7 +45,11 @@ endef
 
 define Build/Compile
 	npm install
-	grunt less autoprefixer cssmin concat uglify
+ifeq ($(CONFIG_DOODLE3D_CLIENT_MINIFY_JS),y)
+		grunt less autoprefixer cssmin concat uglify
+else
+		grunt less autoprefixer cssmin concat
+endif
 endef
 
 define Package/doodle3d-client/install
@@ -56,7 +70,16 @@ define Package/doodle3d-client/install
 	
 	$(CP) $(PKG_BUILD_DIR)/www/img/* $(1)/www/img/
 	
-	$(CP) $(PKG_BUILD_DIR)/www/js/doodle3d-client.min.js $(1)/www/js/
+ifeq ($(CONFIG_DOODLE3D_CLIENT_MINIFY_JS),y)
+		$(CP) $(PKG_BUILD_DIR)/www/js/doodle3d-client.min.js $(1)/www/js/
+else
+		#NOTE: if using a symlink here installation with openwrt make fails
+		#  when trying to build with minification after package has been built
+		#  without minification (dangling symlink breaks openwrt's final copy command)
+		$(CP) $(PKG_BUILD_DIR)/www/js/doodle3d-client.js $(1)/www/js/doodle3d-client.min.js
+		#$(LN) -s /www/js/doodle3d-client.js $(1)/www/js/doodle3d-client.min.js
+endif
+
 	$(CP) $(PKG_BUILD_DIR)/www/js/libs/* $(1)/www/js/libs/
 	
 	$(CP) $(PKG_BUILD_DIR)/www/library $(1)/www/
diff --git a/js_src/Keyboard.js b/js_src/Keyboard.js
new file mode 100644
index 0000000..cef211c
--- /dev/null
+++ b/js_src/Keyboard.js
@@ -0,0 +1,34 @@
+var keyboardShortcutsEnabled = true;
+
+function initKeyboard() {
+
+	$(document).keypress(function(event) {
+
+		if (!keyboardShortcutsEnabled) return;
+
+		var ch = String.fromCharCode(event.which);
+
+		switch (ch) {
+			case 'c': clearDoodle(); break;
+			case 'n': clearDoodle(); break;
+			case 'p': print(); break;
+			case 'u': oopsUndo(); break;
+			case 'e': settingsWindow.downloadGcode(); break;
+			case 'q': stopPrint(); break;
+			case ',': openSettingsWindow(); break;
+			case 'C': drawCircle(250,180,80,64); break; //x,y,r,res 
+			case 'T': drawCircle(250,180,80,3); break; //triangle
+			case 'X': drawCircle(250,180,80,6); break; //hexagon
+			case 'h': previewUp(true); break;
+			case 'H': previewDown(true); break;
+			case 's': saveSketch(); break;
+			case 'L': nextDoodle(); break;
+			case 'l': prevDoodle(); break;
+			case '[': previewTwistLeft(); break;
+			case ']': previewTwistRight(); break;
+			case '\'': resetTwist(); break;
+			default: console.log("Key: '" + ch + "' (" + event.which + ")");
+		}
+	})
+
+}
\ No newline at end of file
diff --git a/js_src/Printer.js b/js_src/Printer.js
index aedb569..dcae80c 100644
--- a/js_src/Printer.js
+++ b/js_src/Printer.js
@@ -11,7 +11,7 @@ function setPrintprogress(val) {
 //*/
 
 function Printer() {
-	
+
 	Printer.WIFIBOX_DISCONNECTED_STATE 	= "wifibox disconnected";
 	Printer.UNKNOWN_STATE 							= "unknown";				// happens when a printer is connection but there isn't communication yet
 	Printer.DISCONNECTED_STATE 					= "disconnected";		// printer disconnected
@@ -21,40 +21,40 @@ function Printer() {
 	Printer.STOPPING_STATE 							= "stopping";				// when you stop (abort) a print it prints the endcode
 
 	Printer.ON_BEFORE_UNLOAD_MESSAGE = "You're doodle is still being send to the printer, leaving will result in a incomplete 3D print";
-	
+
 	this.temperature 				= 0;
 	this.targetTemperature 	= 0;
 	this.currentLine 				= 0;
 	this.totalLines					= 0;
 	this.bufferedLines			= 0;
 	this.state							= Printer.UNKNOWN_STATE;
-	this.hasControl					= true;	// whether this client has control access 
-	
-	this.wifiboxURL; 
-	
+	this.hasControl					= true;	// whether this client has control access
+
+	this.wifiboxURL;
+
 	this.checkStatusInterval 				= 3000;
 	this.checkStatusDelay;
 	this.timeoutTime 								= 3000;
 	this.sendPrintPartTimeoutTime 	= 5000;
-	
+
 	this.gcode; 											// gcode to be printed
-	this.sendLength = 1500; 					// max amount of gcode lines per post (limited because WiFi box can't handle to much)
+	this.sendLength = 500; 					// max amount of gcode lines per post (limited because WiFi box can't handle to much)
 
 	this.retryDelay = 2000; 					// retry setTimout delay
 	this.retrySendPrintPartDelay; 		// retry setTimout instance
 	this.retryCheckStatusDelay; 			// retry setTimout instance
 	this.retryStopDelay;							// retry setTimout instance
 	this.retryPreheatDelay;						// retry setTimout instance
-	
+
 	Printer.MAX_GCODE_SIZE = 10;						// max size of gcode in MB's (estimation)
-	
+
 	this.stateOverruled = false;
-	
+
 	// Events
 	Printer.UPDATE = "update";
-	
+
 	var self = this;
-	
+
 	this.init = function() {
     console.log("Printer:init");
 		//this.wifiboxURL = "http://" + window.location.host + "/cgi-bin/d3dapi";
@@ -62,21 +62,21 @@ function Printer() {
 		this.wifiboxURL = wifiboxURL;
 		//this.wifiboxURL = "proxy5.php";
     console.log("  wifiboxURL: ",this.wifiboxURL);
-    
+
     if(autoUpdate) {
     	this.startStatusCheckInterval();
     }
  	}
-	
+
 	this.preheat = function() {
     console.log("Printer:preheat");
-    
+
     if(	this.state == Printer.BUFFERING_STATE ||
     		this.state == Printer.PRINTING_STATE ||
     		this.state == Printer.STOPPING_STATE) {
     	return;
     }
-    
+
     var self = this;
     if (communicateWithWifibox) {
 	    $.ajax({
@@ -91,7 +91,7 @@ function Printer() {
 						self.retryPreheatDelay = setTimeout(function() { self.preheat() },self.retryDelay); // retry after delay
 			  	}
 				}
-			}).fail(function() { 
+			}).fail(function() {
 				console.log("Printer:preheat: failed");
 				clearTimeout(self.retryPreheatDelay);
 				self.retryPreheatDelay = setTimeout(function() { self.preheat() },self.retryDelay); // retry after delay
@@ -100,41 +100,41 @@ function Printer() {
       console.log ("Printer >> f:preheat() >> communicateWithWifibox is false, so not executing this function");
     }
 	}
-	
+
 	this.print = function(gcode) {
     console.log("Printer:print");
     console.log("  gcode total # of lines: " + gcode.length);
-    
+
     message.set("Sending doodle to printer...",Message.NOTICE);
     self.addLeaveWarning();
-		
+
     /*for (i = 0; i < gcode.length; i++) {
 			gcode[i] += " (" + i + ")";
 		}*/
-		
+
 		this.sendIndex = 0;
     this.gcode = gcode;
-    
+
     //console.log("  gcode[20]: ",gcode[20]);
     var gcodeLineSize = this.byteSize(gcode[20]);
     //console.log("  gcodeLineSize: ",gcodeLineSize);
     var gcodeSize = gcodeLineSize*gcode.length/1024/1024; // estimate gcode size in MB's
     console.log("  gcodeSize: ",gcodeSize);
-    
+
     if(gcodeSize > Printer.MAX_GCODE_SIZE) {
     	alert("Error: Printer:print: gcode file is probably too big ("+gcodeSize+"MB) (max: "+Printer.MAX_GCODE_SIZE+"MB)");
     	console.log("Error: Printer:print: gcode file is probably too big ("+gcodeSize+"MB) (max: "+Printer.MAX_GCODE_SIZE+"MB)");
-    	
+
     	this.overruleState(Printer.IDLE_STATE);
     	this.startStatusCheckInterval();
     	message.hide();
     	self.removeLeaveWarning();
-    	
+
     	return;
     }
-    
+
     //this.targetTemperature = settings["printer.temperature"]; // slight hack
-    
+
 		this.sendPrintPart(this.sendIndex, this.sendLength);
 	}
 	this.byteSize = function(s){
@@ -142,10 +142,10 @@ function Printer() {
 	}
 	this.sendPrintPart = function(sendIndex,sendLength) {
 		console.log("Printer:sendPrintPart sendIndex: " + sendIndex + "/" + this.gcode.length + ", sendLength: " + sendLength);
-		
+
     var firstOne = (sendIndex == 0)? true : false;
     var start = firstOne; // start printing right away
-    
+
     var completed = false;
     if (this.gcode.length < (sendIndex + sendLength)) {
       console.log("  sending less than max sendLength (and last)");
@@ -154,7 +154,7 @@ function Printer() {
       completed = true;
     }
     var gcodePart = this.gcode.slice(sendIndex, sendIndex+sendLength);
-    
+
     var postData = { gcode: gcodePart.join("\n"), first: firstOne, start: start};
     var self = this;
     if (communicateWithWifibox) {
@@ -166,7 +166,7 @@ function Printer() {
 			  timeout: this.sendPrintPartTimeoutTime,
 			  success: function(data){
 			  	console.log("Printer:sendPrintPart response: ",data);
-			  	
+
 			  	if(data.status == "success") {
 				  	if (completed) {
 		          console.log("Printer:sendPrintPart:gcode sending completed");
@@ -177,8 +177,8 @@ function Printer() {
 		          //self.targetTemperature = settings["printer.temperature"]; // slight hack
 		        } else {
 		        	// only if the state hasn't bin changed (by for example pressing stop) we send more gcode
-		        	
-		        	console.log("Printer:sendPrintPart:gcode part received (state: ",self.state,")"); 
+
+		        	console.log("Printer:sendPrintPart:gcode part received (state: ",self.state,")");
 		        	if(self.state == Printer.PRINTING_STATE || self.state == Printer.BUFFERING_STATE) {
 		        		console.log("Printer:sendPrintPart:sending next part");
 		        		self.sendPrintPart(sendIndex + sendLength, sendLength);
@@ -186,22 +186,22 @@ function Printer() {
 		        }
 		      }
 			  	// after we know the first gcode packed has bin received or failed
-					// (and the driver had time to update the printer.state) 
+					// (and the driver had time to update the printer.state)
 					// we start checking the status again
 					if(sendIndex == 0) {
 						self.startStatusCheckInterval();
 					}
 				}
-			}).fail(function() { 
+			}).fail(function() {
 				console.log("Printer:sendPrintPart: failed");
 				clearTimeout(self.retrySendPrintPartDelay);
 				self.retrySendPrintPartDelay = setTimeout(function() {
 					console.log("request printer:sendPrintPart failed retry");
-					self.sendPrintPart(sendIndex, sendLength) 
+					self.sendPrintPart(sendIndex, sendLength)
 				},self.retryDelay); // retry after delay
-				
+
 				// after we know the gcode packed has bin received or failed
-				// (and the driver had time to update the printer.state) 
+				// (and the driver had time to update the printer.state)
 				// we start checking the status again
 				self.startStatusCheckInterval();
 			});
@@ -209,7 +209,7 @@ function Printer() {
       console.log ("Printer >> f:sendPrintPart() >> communicateWithWifibox is false, so not executing this function");
     }
 	}
-	
+
 	this.stop = function() {
     console.log("Printer:stop");
     endCode = generateEndCode();
@@ -225,19 +225,19 @@ function Printer() {
 			  timeout: this.timeoutTime,
 			  success: function(data){
 				  console.log("Printer:stop response: ", data);
-				  
+
 				  // after we know the stop has bin received or failed
-					// (and the driver had time to update the printer.state) 
+					// (and the driver had time to update the printer.state)
 					// we start checking the status again
 					self.startStatusCheckInterval();
 			  }
-			}).fail(function() { 
+			}).fail(function() {
 				console.log("Printer:stop: failed");
 				clearTimeout(self.retryStopDelay);
 				self.retryStopDelay = setTimeout(function() { self.stop() },self.retryDelay); // retry after delay
-				
+
 				// after we know the stop has bin received or failed
-				// (and the driver had time to update the printer.state) 
+				// (and the driver had time to update the printer.state)
 				// we start checking the status again
 				self.startStatusCheckInterval();
 			});
@@ -269,9 +269,9 @@ function Printer() {
         timeout: this.timeoutTime,
         success: function(response){
           //console.log("  Printer:status: ",response.data.state); //," response: ",response);
-          
+
           self.handleStatusUpdate(response);
-          
+
           clearTimeout(self.checkStatusDelay);
           clearTimeout(self.retryCheckStatusDelay);
           self.checkStatusDelay = setTimeout(function() { self.checkStatus() }, self.checkStatusInterval);
@@ -300,11 +300,11 @@ function Printer() {
 				self.state 								= data.state;
 				//console.log("  state > ",self.state);
 			}
-			
+
 			// temperature
 			self.temperature 					= data.hotend;
 			self.targetTemperature 		= data.hotend_target;
-			
+
 			// progress
 			self.currentLine 					= data.current_line;
 			self.totalLines 					= data.total_lines;
@@ -312,7 +312,7 @@ function Printer() {
 
 			// access
 			self.hasControl						= data.has_control;
-			
+
 			if(self.state == Printer.PRINTING_STATE || self.state == Printer.STOPPING_STATE) {
 				console.log("progress: ",self.currentLine+"/"+self.totalLines+" ("+self.bufferedLines+") ("+self.state+")");
 			}
@@ -322,14 +322,14 @@ function Printer() {
 	this.overruleState = function(newState) {
 		this.stateOverruled = true;
 		console.log("  stateOverruled: ",this.stateOverruled);
-		
+
 		self.state = newState;
-		
+
 		$(document).trigger(Printer.UPDATE);
-		
+
 		this.stopStatusCheckInterval();
 	}
-	
+
 	this.removeLeaveWarning = function() {
 		window.onbeforeunload = null;
 	}
@@ -339,4 +339,4 @@ function Printer() {
 				return Printer.ON_BEFORE_UNLOAD_MESSAGE;
 		};
 	}
-}
\ No newline at end of file
+}
diff --git a/js_src/PrinterPanel.js b/js_src/PrinterPanel.js
new file mode 100644
index 0000000..00663cc
--- /dev/null
+++ b/js_src/PrinterPanel.js
@@ -0,0 +1,76 @@
+function PrinterPanel() {
+	this.wifiboxURL;
+	this.element;
+	
+	this.retryDelay 					= 1000; 
+	this.retryDelayer; 									// setTimout instance
+	//this.timeoutTime 					= 3000;
+	
+	this.printerType;
+	this.printerSettingsNames;
+	
+	var self = this;
+
+	this.init = function(wifiboxURL,element) {
+		self.wifiboxURL = wifiboxURL;
+		self.element = element;
+		
+		self.printerSelector 	= element.find("#printerType");
+		self.printerSelector.change(self.printerSelectorChanged);
+		
+		var formElements = element.find("[name]");
+		self.printerSettingsNames = [];
+		formElements.each( function(index,element) {
+			self.printerSettingsNames.push(element.name);
+		});
+		
+		var gcodePanel = element.find("#gcodePanel");
+		gcodePanel.coolfieldset({collapsed:true});
+	}
+	this.printerSelectorChanged = function(e) {
+		console.log("PrinterPanel:printerSelectorChanged");
+		console.log("self: ", self);
+		self.printerType = self.printerSelector.find("option:selected").val();
+		self.savePrinterType(self.loadPrinterSettings);
+	}
+	
+	this.savePrinterType = function(complete) {
+		console.log("PrinterPanel:savePrinterType");
+		var postData = {}; 
+		postData[self.printerSelector.attr("name")] = self.printerType;
+		console.log("postData: ",postData);
+		$.ajax({
+			url: self.wifiboxURL + "/config/",
+			type: "POST",
+			dataType: 'json',
+			data: postData,
+			success: function(response){
+				console.log("PrinterPanel:savePrinterType response: ",response);
+				if(complete) complete();
+			}
+		}).fail(function() {
+			console.log("PrinterPanel:savePrinterType: failed");
+		});
+	}
+	this.loadPrinterSettings = function() {
+		console.log("PrinterPanel:loadPrinterSettings");
+		console.log("  self.printerSettingsNames: ",self.printerSettingsNames);
+		var getData = {}; 
+		$.each(self.printerSettingsNames, function(key, val) {
+			getData[val] = "";
+		});
+		console.log("getData: ",getData);
+		$.ajax({
+			url: self.wifiboxURL + "/config/",
+			dataType: 'json',
+			data: getData,
+			success: function(response){
+				console.log("PrinterPanel:loadPrinterSettings response: ",response);
+				
+				self.fillForm(response.data,self.element);
+			}
+		}).fail(function() {
+			console.log("PrinterPanel:loadPrinterSettings: failed");
+		});
+	}
+}
\ No newline at end of file
diff --git a/js_src/SettingsWindow.js b/js_src/SettingsWindow.js
index 4b38378..f38c8b4 100644
--- a/js_src/SettingsWindow.js
+++ b/js_src/SettingsWindow.js
@@ -1,30 +1,5 @@
 //these settings are defined in the firmware (conf_defaults.lua) and will be initialized in loadSettings()
-var settings = {
-"network.ap.ssid": "d3d-ap-%%MAC_ADDR_TAIL%%",
-"network.ap.address": "192.168.10.1",
-"network.ap.netmask": "255.255.255.0",
-"printer.temperature": 220,
-"printer.maxObjectHeight": 150,
-"printer.layerHeight": 0.2,
-"printer.wallThickness": 0.7,
-"printer.screenToMillimeterScale": 0.3,
-"printer.speed": 50,
-"printer.travelSpeed": 200,
-"printer.filamentThickness": 2.85,
-"printer.enableTraveling": true,
-"printer.useSubLayers": true,
-"printer.firstLayerSlow": true,
-"printer.autoWarmUp": true,
-"printer.simplify.iterations": 10,
-"printer.simplify.minNumPoints": 15,
-"printer.simplify.minDistance": 3,
-"printer.retraction.enabled": true,
-"printer.retraction.speed": 50,
-"printer.retraction.minDistance": 1,
-"printer.retraction.amount": 5,
-"printer.autoWarmUpCommand": "M104 S220 (hardcoded temperature)"
-}
-
+var settings = { }
 
 //wrapper to prevent scoping issues in showSettings()
 function openSettingsWindow() {
@@ -45,51 +20,52 @@ function SettingsWindow() {
 	this.retrySaveSettingsDelay; 			// retry setTimout instance
 	this.retryResetSettingsDelay 			// retry setTimout instance
 	this.retryRetrieveNetworkStatusDelay;// retry setTimout instance
-	
+
 	this.apFieldSet;
 	this.clientFieldSet;
 	this.networks;
 	this.currentNetwork;               // the ssid of the network the box is on
-  this.selectedNetwork;              // the ssid of the selected network in the client mode settings
-  this.currentLocalIP = "";
-  this.clientModeState = SettingsWindow.NOT_CONNECTED;
-  this.currentAP;
-  this.apModeState = SettingsWindow.NO_AP;
+	this.selectedNetwork;              // the ssid of the selected network in the client mode settings
+	this.currentLocalIP = "";
+	this.clientModeState = SettingsWindow.NOT_CONNECTED;
+	this.currentAP;
+	this.apModeState = SettingsWindow.NO_AP;
 
-  // after switching wifi network or creating a access point we delay the status retrieval
-  // because the webserver needs time to switch
-  this.retrieveNetworkStatusDelay;   // setTimout delay
-  this.retrieveNetworkStatusDelayTime = 1000;
+	// after switching wifi network or creating a access point we delay the status retrieval
+	// because the webserver needs time to switch
+	this.retrieveNetworkStatusDelay;   // setTimout delay
+	this.retrieveNetworkStatusDelayTime = 1000;
 
 	// Events
 	SettingsWindow.SETTINGS_LOADED 		= "settingsLoaded";
 
-  // network client mode states
-  SettingsWindow.NOT_CONNECTED   		= "not connected";   // also used as first item in networks list
-  SettingsWindow.CONNECTED       		= "connected";
-  SettingsWindow.CONNECTING      		= "connecting";
-  SettingsWindow.CONNECTING_FAILED	= "connecting failed"
+	// network client mode states
+	SettingsWindow.NOT_CONNECTED   		= "not connected";   // also used as first item in networks list
+	SettingsWindow.CONNECTED       		= "connected";
+	SettingsWindow.CONNECTING      		= "connecting";
+	SettingsWindow.CONNECTING_FAILED	= "connecting failed"
 
-  // network access point mode states
-  SettingsWindow.NO_AP           		= "no ap";
-  SettingsWindow.AP              		= "ap";
-  SettingsWindow.CREATING_AP     		= "creating ap";
+	// network access point mode states
+	SettingsWindow.NO_AP           		= "no ap";
+	SettingsWindow.AP              		= "ap";
+	SettingsWindow.CREATING_AP     		= "creating ap";
 
-  SettingsWindow.API_CONNECTING_FAILED  = -1
-  SettingsWindow.API_NOT_CONNECTED 			= 0
-  SettingsWindow.API_CONNECTING 				= 1
-  SettingsWindow.API_CONNECTED 					= 2
-  SettingsWindow.API_CREATING 					= 3
-  SettingsWindow.API_CREATED 						= 4
+	SettingsWindow.API_CONNECTING_FAILED  = -1
+	SettingsWindow.API_NOT_CONNECTED 			= 0
+	SettingsWindow.API_CONNECTING 				= 1
+	SettingsWindow.API_CONNECTED 					= 2
+	SettingsWindow.API_CREATING 					= 3
+	SettingsWindow.API_CREATED 						= 4
 
-  // network mode
-  SettingsWindow.NETWORK_MODE_NEITHER  			= "neither";
-  SettingsWindow.NETWORK_MODE_CLIENT  			= "clientMode";
-  SettingsWindow.NETWORK_MODE_ACCESS_POINT  = "accessPointMode";
+	// network mode
+	SettingsWindow.NETWORK_MODE_NEITHER  			= "neither";
+	SettingsWindow.NETWORK_MODE_CLIENT  			= "clientMode";
+	SettingsWindow.NETWORK_MODE_ACCESS_POINT  = "accessPointMode";
 
-  this.networkMode = SettingsWindow.NETWORK_MODE_NEITHER;
+	this.networkMode = SettingsWindow.NETWORK_MODE_NEITHER;
 
-  this.updatePanel = new UpdatePanel();
+	this.updatePanel = new UpdatePanel();
+	this.printerPanel = new PrinterPanel();
 
 	var self = this;
 
@@ -100,43 +76,61 @@ function SettingsWindow() {
 		this.window = $("#settings");
 		this.btnOK = this.window.find(".btnOK");
 		enableButton(this.btnOK,this.submitwindow);
-	  
-		this.window.find(".settingsContainer").load("settings.html", function() {
-      console.log("Settings:finished loading settings.html, now loading settings...");
 
-      self.form = self.window.find("form");
+		this.window.find(".settingsContainer").load("settings.html", function() {
+			console.log("Settings:finished loading settings.html, now loading settings...");
+
+			self.form = self.window.find("form");
 			self.form.submit(function (e) { self.submitwindow(e) });
 
-      self.loadSettings();
-      	
-      self.printerSelector 	= self.form.find("#printerType");
-      var btnAP 						= self.form.find("label[for='ap']");
-		  var btnClient 				= self.form.find("label[for='client']");
-		  var btnRefresh 				= self.form.find("#refreshNetworks");
-		  var btnConnect 				= self.form.find("#connectToNetwork");
-		  var btnCreate 				= self.form.find("#createAP");
-		  var networkSelector 	= self.form.find("#network");
-		  self.apFieldSet 			= self.form.find("#apSettings");
-		  self.clientFieldSet 	= self.form.find("#clientSettings");
-		  self.gcodeSettings		= self.form.find("#gcodeSettings");
-		  self.x3gSettings			= self.form.find("#x3gSettings");
-		  self.btnRestoreSettings = self.form.find("#restoreSettings");
-		  
-		  btnAP.on('touchstart mousedown',self.showAPSettings);
-		  btnClient.on('touchstart mousedown',self.showClientSettings);
-		  btnRefresh.on('touchstart mousedown',self.refreshNetworks);
-		  btnConnect.on('touchstart mousedown',self.connectToNetwork);
-			btnCreate.on('touchstart mousedown',self.createAP);
-			self.printerSelector.change(self.printerSelectorChanged);
-		  networkSelector.change(self.networkSelectorChanged);
-		  self.btnRestoreSettings.on('touchstart mousedown',self.resetSettings);
-		  
-		  	
-		  // update panel
-		  var $updatePanelElement = self.form.find("#updatePanel");
-		  self.updatePanel.init(wifiboxURL,$updatePanelElement);
-	  });
-	}
+			$.ajax({
+				url: self.wifiboxURL + "/printer/listall",
+				dataType: 'json',
+				timeout: self.timeoutTime,
+				success: function(response) {
+					console.log("Settings:printer/listall response: ",response.data.printers);
+
+					$.each(response.data.printers, function(key, value) {
+			             // console.log(key,value);
+			             $('#printerType').append($('<option>').text(value).attr('value', key));
+			        });
+
+					self.loadSettings();
+
+					var btnAP 						= self.form.find("label[for='ap']");
+					var btnClient 				= self.form.find("label[for='client']");
+					var btnRefresh 				= self.form.find("#refreshNetworks");
+					var btnConnect 				= self.form.find("#connectToNetwork");
+					var btnCreate 				= self.form.find("#createAP");
+					var networkSelector 	= self.form.find("#network");
+					self.apFieldSet 			= self.form.find("#apSettings");
+					self.clientFieldSet 	= self.form.find("#clientSettings");
+					self.btnRestoreSettings = self.form.find("#restoreSettings");
+
+					btnAP.on('touchstart mousedown',self.showAPSettings);
+					btnClient.on('touchstart mousedown',self.showClientSettings);
+					btnRefresh.on('touchstart mousedown',self.refreshNetworks);
+					btnConnect.on('touchstart mousedown',self.connectToNetwork);
+					btnCreate.on('touchstart mousedown',self.createAP);
+					networkSelector.change(self.networkSelectorChanged);
+					self.btnRestoreSettings.on('touchstart mousedown',self.resetSettings);
+
+					// update panel
+					var $updatePanelElement = self.form.find("#updatePanel");
+					self.updatePanel.init(wifiboxURL,$updatePanelElement);
+
+					// printer panel
+					var $printerPanelElement = self.form.find("#printerPanel");
+					self.printerPanel.init(wifiboxURL,$printerPanelElement);
+					self.printerPanel.fillForm = self.fillForm;
+				}
+			}).fail(function() {
+				console.log("FATAL ERROR: Settings:printer/listall failed");
+			});
+		}); //this.window.find
+
+	} //this.init
+	
 	this.submitwindow = function(e) {
 		disableButton(self.btnOK,self.submitwindow);
 		e.preventDefault();
@@ -156,14 +150,16 @@ function SettingsWindow() {
 	}
 
 	this.showSettings = function() {
+		keyboardShortcutsEnabled = false;
 	  this.loadSettings(function() { // reload settings
-	  	$("#contentOverlay").fadeIn(375, function() {
+	  	$("#contentOverlay").fadeIn(175, function() {
 				document.body.removeEventListener('touchmove',prevent,false);
 			});
 	  });
 	}
 	this.hideSettings = function(complete) {
-		$("#contentOverlay").fadeOut(375, function() {
+		keyboardShortcutsEnabled = true;
+		$("#contentOverlay").fadeOut(175, function() {
       document.body.addEventListener('touchmove',prevent,false);
 //      self.window.css("display","none");
       complete();
@@ -185,7 +181,7 @@ function SettingsWindow() {
 		  	console.log("Settings:loadSettings response: ",response);
         settings = response.data;
 		  	console.log("  settings: ",settings);
-		  	self.fillForm();
+		  	self.fillForm(settings);
 		  	$(document).trigger(SettingsWindow.SETTINGS_LOADED);
 		  	if(complete) complete();
 			}
@@ -198,16 +194,16 @@ function SettingsWindow() {
     this.refreshNetworks();
     this.retrieveNetworkStatus(false);
 	}
-	this.fillForm = function() {
-		console.log("SettingsWindow:fillForm");
-
+	this.fillForm = function(settings,form) { 
+		if(!form) form = this.form; // if no form specified, fill whole form
+		
 		//fill form with loaded settings
-		var selects = this.form.find("select");
+		var selects = form.find("select");
 		selects.each( function(index,element) {
 			var element = $(element);
 			element.val(settings[element.attr('name')]);
 		});
-		var inputs = this.form.find("input");
+		var inputs = form.find("input");
 		inputs.each( function(index,element) {
 			var element = $(element);
 			//console.log("printer setting input: ",index,element.attr("type"),element.attr('name')); //,element);
@@ -221,13 +217,12 @@ function SettingsWindow() {
 					break;
 			}
 		});
-		var textareas = this.form.find("textarea");
+		var textareas = form.find("textarea");
 		textareas.each( function(index,element) {
 			var element = $(element);
 			var value = settings[element.attr('name')];
 			element.val(value);
 		});
-		self.printerSelectorChanged();
 	}
 
 	this.saveSettings = function(newSettings,complete) {
@@ -288,7 +283,7 @@ function SettingsWindow() {
 			  	} else {
 			  		settings = response.data;
 						console.log("  settings: ",settings);
-						self.fillForm();
+						self.fillForm(settings);
 						$(document).trigger(SettingsWindow.SETTINGS_LOADED);
 						
 						self.btnRestoreSettings.removeAttr("disabled");
@@ -345,30 +340,6 @@ function SettingsWindow() {
 		//console.log(settings);
 		return settings;
 	}
-	
-	this.printerSelectorChanged = function(e) {
-		var selectedOption = self.printerSelector.find("option:selected");
-		if(self.isMarlinPrinter(selectedOption.val())) {
-			self.x3gSettings.hide();
-			self.gcodeSettings.show();
-		} else {
-			self.gcodeSettings.hide();
-			self.x3gSettings.show();
-		}
-	}
-	
-	this.isMarlinPrinter = function(printer) {
-		switch(printer) {
-			case "makerbot_generic":
-			case "makerbot_replicator2":
-			case "makerbot_thingomatic":
-				return false;
-				break;
-			default:
-				return true;
-				break;
-		}
-	}
 
 	this.signin = function() {
 		$.ajax({
@@ -387,6 +358,22 @@ function SettingsWindow() {
 	this.downloadlogs = function() {
 		window.location.href = self.wifiboxURL + "/info/logfiles"
 	}
+
+	this.downloadGcode = function() {
+		var gcode = generate_gcode();
+		if (gcode!=undefined) {
+			var blob = new Blob([gcode.join("\n")], {type: "text/plain;charset=utf-8"});
+			saveAs(blob, "doodle3d.gcode");
+		}
+	}
+
+	this.downloadSvg = function() {
+		var svg = saveToSvg();
+		if (svg!=undefined) {
+			var blob = new Blob([svg], {type: "text/plain;charset=utf-8"});
+			saveAs(blob, "doodle3d.svg");
+		}
+	}
 	
 	/*
 	 * Networks ui
diff --git a/js_src/Shape.js b/js_src/Shape.js
new file mode 100644
index 0000000..4d3ac17
--- /dev/null
+++ b/js_src/Shape.js
@@ -0,0 +1,34 @@
+function drawCircle(x0,y0,r,res) {
+  if (res==undefined) res = 50; //circle resolution
+  beginShape();
+  var step=Math.PI * 2.0 / res;
+  for (var a=0; a<=Math.PI*2; a+=step) {
+    var x = Math.sin(a) * r + x0;
+    var y = Math.cos(a) * r + y0;
+    if (a==0) shapeMoveTo(x,y);
+    else shapeLineTo(x,y);
+  }
+  endShape();
+}
+
+function beginShape(x,y) {
+  setSketchModified(true);
+}
+
+function shapeMoveTo(x,y) {
+  _points.push([x, y, true]);
+  adjustBounds(x, y)
+  adjustPreviewTransformation();
+  draw(x, y, .5);
+}
+
+function shapeLineTo(x,y) {
+  _points.push([x, y, false]);
+  adjustBounds(x, y)
+  adjustPreviewTransformation();
+  draw(x, y);
+}
+
+function endShape() {
+  renderToImageDataPreview();
+}
\ No newline at end of file
diff --git a/js_src/Svg.js b/js_src/Svg.js
new file mode 100644
index 0000000..6451624
--- /dev/null
+++ b/js_src/Svg.js
@@ -0,0 +1,132 @@
+//SVG validator: http://validator.w3.org/
+//SVG viewer: http://svg-edit.googlecode.com/svn/branches/2.6/editor/svg-editor.html
+function saveToSvg() {
+  var lastX = 0, lastY = 0, lastIsMove;
+  var svg = '';
+
+  var boundsWidth = doodleBounds[2] - doodleBounds[0];
+  var boundsHeight = doodleBounds[3] - doodleBounds[1];
+
+  svg += '<?xml version="1.0" standalone="no"?>\n';
+  svg += '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n';
+  svg += '<svg width="' + boundsWidth + '" height="' + boundsHeight + '" version="1.1" xmlns="http://www.w3.org/2000/svg">\n';
+  svg += '\t<desc>Doodle 3D sketch</desc>\n';
+
+  var data = '';
+  for (var i = 0; i < _points.length; ++i) {
+    var x = _points[i][0], y = _points[i][1], isMove = _points[i][2];
+    var dx = x - lastX, dy = y - lastY;
+
+    if (i == 0)
+      data += 'M'; //emit absolute move on first pair of coordinates
+    else if (isMove != lastIsMove)
+      data += isMove ? 'm' : 'l';
+
+    data += dx + ',' + dy + ' ';
+
+    lastX = x;
+    lastY = y;
+    lastIsMove = isMove;
+  }
+
+  svg += '\t<path transform="translate(' + -doodleBounds[0] + ',' + -doodleBounds[1] + ')" d="' + data + '" fill="none" stroke="black" stroke-width="2" />\n';
+
+  var fields = JSON.stringify({'height': numLayers, 'outlineShape': VERTICALSHAPE, 'twist': rStep});
+  svg += '\t<!--<![CDATA[d3d-keys ' + fields + ']]>-->\n';
+
+  svg += '</svg>\n';
+
+  return svg;
+}
+
+
+//TODO: use local variables instead of _points,numLayers,VERTICALSHAPE and rStep so we can leave a current doodle in tact if an error occurs while parsing
+function loadFromSvg(svgData) {
+  var mode = '', x = 0, y = 0;
+
+  console.log("loading " + svgData.length + " bytes of data...");
+
+  clearDoodle();
+
+  var p = svgData.indexOf("<path");
+  if (p == -1) { console.log("loadFromSvg: could not find parsing start point"); return false; }
+  p = svgData.indexOf('d="', p);
+  if (p == -1) { console.log("loadFromSvg: could not find parsing start point"); return false; }
+  p += 3; //skip 'd="'
+
+  var skipSpace = function() { while (svgData.charAt(p) == ' ') p++; }
+  var parseCommand = function() {
+    while (true) {
+      skipSpace();
+      var c = svgData.charAt(p);
+      if (c == 'M' || c == 'm' || c == 'l') { //new command letter
+        mode = c;
+      } else if (c == '"') { //end of command chain
+        return true;
+      } else { //something else, must be a pair of coordinates...
+        var tx = 0, ty = 0, numberEnd = 0, len = 0;
+        numberEnd = svgData.indexOf(',', p);
+        if (numberEnd == -1) { console.log("could not find comma in coordinate pair"); return false; }
+        len = numberEnd - p;
+        tx = parseInt(svgData.substr(p, len));
+        p += len + 1;
+        skipSpace();
+        numberEnd = svgData.indexOf(' ', p);
+        if (numberEnd == -1) { console.log("could not find space after coordinate pair"); return false; }
+        len = numberEnd - p;
+        ty = parseInt(svgData.substr(p, len));
+        p += len;
+
+        if (mode == 'M' || mode == 'L') {
+          x = tx; y = ty;
+        } else if (mode == 'm' || mode == 'l') {
+          x += tx; y += ty;
+        } else {
+          console.log("loadFromSvg: found coordinate pair but mode was never set");
+          return false;
+        }
+
+        var isMove = mode == 'm' || mode == 'M';
+
+        //TODO: create script-wide function for adding points?
+        //console.log("inserting "+x+","+y+" ",isMove);
+        updatePrevX = x;
+        updatePrevY = y;
+        _points.push([x, y, isMove]);
+        adjustBounds(x, y);
+        adjustPreviewTransformation();
+
+        if (isMove) draw(x, y, .5);
+        else draw(x, y);
+      }
+      p++;
+    }
+
+    return true;
+  };
+
+  parseCommand(); //depends on value of p, so don't move this without taking that into consideration
+
+  const fieldDefMarker = "<!--<![CDATA[d3d-keys";
+  p = svgData.indexOf(fieldDefMarker);
+  if (p == -1) { console.log("loadFromSvg: could not find metadata marker"); return false; }
+  p += fieldDefMarker.length;
+  skipSpace();
+
+  var endP = svgData.indexOf("]]>-->", p);
+  if (endP == -1) { console.log("loadFromSvg: could not find metadata end-marker"); return false; }
+  var metaFields = JSON.parse(svgData.substr(p, endP - p));
+  //TODO: log error and return false if parsing failed
+  for (var k in metaFields) {
+    var v = metaFields[k];
+    switch (k) {
+      case "height": numLayers = v; break;
+      case "outlineShape": VERTICALSHAPE = v; break;
+      case "twist": rStep = v; break;
+    }
+  }
+
+  renderToImageDataPreview();
+
+  return true;
+}
\ No newline at end of file
diff --git a/js_src/buttonbehaviors.js b/js_src/buttonbehaviors.js
index 9cd016a..f365206 100644
--- a/js_src/buttonbehaviors.js
+++ b/js_src/buttonbehaviors.js
@@ -246,10 +246,10 @@ function print(e) {
 				console.log("sendPrintCommands is false: not sending print command to 3dprinter");
 			}
 
-			if (debugMode) {
-				$("#textdump").text("");
-				$("#textdump").text(gcode.join("\n"));
-			}
+			// if (debugMode) {
+			// 	$("#textdump").text("");
+			// 	$("#textdump").text(gcode.join("\n"));
+			// }
 
     }, gcodeGenerateDelay);
   } else {
@@ -336,7 +336,11 @@ function previewTwistRight(redrawLess) {
   setSketchModified(true);
 }
 
-
+function resetTwist() {
+  rStep = 0;
+  redrawRenderedPreview();
+  setSketchModified(true);
+}
 
 function update() {
 	setState(printer.state,printer.hasControl);
diff --git a/js_src/canvasDrawing.js b/js_src/canvasDrawing.js
index c67a79d..582eee2 100644
--- a/js_src/canvasDrawing.js
+++ b/js_src/canvasDrawing.js
@@ -477,136 +477,6 @@ function prevent(e) {
 }
 
 
-//SVG validator: http://validator.w3.org/
-//SVG viewer: http://svg-edit.googlecode.com/svn/branches/2.6/editor/svg-editor.html
-function saveToSvg() {
-  var lastX = 0, lastY = 0, lastIsMove;
-  var svg = '';
-
-  var boundsWidth = doodleBounds[2] - doodleBounds[0];
-  var boundsHeight = doodleBounds[3] - doodleBounds[1];
-
-  svg += '<?xml version="1.0" standalone="no"?>\n';
-  svg += '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n';
-  svg += '<svg width="' + boundsWidth + '" height="' + boundsHeight + '" version="1.1" xmlns="http://www.w3.org/2000/svg">\n';
-  svg += '\t<desc>Doodle 3D sketch</desc>\n';
-
-  var data = '';
-  for (var i = 0; i < _points.length; ++i) {
-    var x = _points[i][0], y = _points[i][1], isMove = _points[i][2];
-    var dx = x - lastX, dy = y - lastY;
-
-    if (i == 0)
-      data += 'M'; //emit absolute move on first pair of coordinates
-    else if (isMove != lastIsMove)
-      data += isMove ? 'm' : 'l';
-
-    data += dx + ',' + dy + ' ';
-
-    lastX = x;
-    lastY = y;
-    lastIsMove = isMove;
-  }
-
-  svg += '\t<path transform="translate(' + -doodleBounds[0] + ',' + -doodleBounds[1] + ')" d="' + data + '" fill="none" stroke="black" stroke-width="2" />\n';
-
-  var fields = JSON.stringify({'height': numLayers, 'outlineShape': VERTICALSHAPE, 'twist': rStep});
-  svg += '\t<!--<![CDATA[d3d-keys ' + fields + ']]>-->\n';
-
-  svg += '</svg>\n';
-
-  return svg;
-}
 
 
-//TODO: use local variables instead of _points,numLayers,VERTICALSHAPE and rStep so we can leave a current doodle in tact if an error occurs while parsing
-function loadFromSvg(svgData) {
-  var mode = '', x = 0, y = 0;
-
-  console.log("loading " + svgData.length + " bytes of data...");
-
-  clearDoodle();
-
-  var p = svgData.indexOf("<path");
-  if (p == -1) { console.log("loadFromSvg: could not find parsing start point"); return false; }
-  p = svgData.indexOf('d="', p);
-  if (p == -1) { console.log("loadFromSvg: could not find parsing start point"); return false; }
-  p += 3; //skip 'd="'
-
-  var skipSpace = function() { while (svgData.charAt(p) == ' ') p++; }
-  var parseCommand = function() {
-    while (true) {
-      skipSpace();
-      var c = svgData.charAt(p);
-      if (c == 'M' || c == 'm' || c == 'l') { //new command letter
-        mode = c;
-      } else if (c == '"') { //end of command chain
-        return true;
-      } else { //something else, must be a pair of coordinates...
-        var tx = 0, ty = 0, numberEnd = 0, len = 0;
-        numberEnd = svgData.indexOf(',', p);
-        if (numberEnd == -1) { console.log("could not find comma in coordinate pair"); return false; }
-        len = numberEnd - p;
-        tx = parseInt(svgData.substr(p, len));
-        p += len + 1;
-        skipSpace();
-        numberEnd = svgData.indexOf(' ', p);
-        if (numberEnd == -1) { console.log("could not find space after coordinate pair"); return false; }
-        len = numberEnd - p;
-        ty = parseInt(svgData.substr(p, len));
-        p += len;
-
-        if (mode == 'M' || mode == 'L') {
-          x = tx; y = ty;
-        } else if (mode == 'm' || mode == 'l') {
-          x += tx; y += ty;
-        } else {
-          console.log("loadFromSvg: found coordinate pair but mode was never set");
-          return false;
-        }
-
-        var isMove = mode == 'm' || mode == 'M';
-
-        //TODO: create script-wide function for adding points?
-        //console.log("inserting "+x+","+y+" ",isMove);
-        updatePrevX = x;
-        updatePrevY = y;
-        _points.push([x, y, isMove]);
-        adjustBounds(x, y);
-        adjustPreviewTransformation();
-
-        if (isMove) draw(x, y, .5);
-        else draw(x, y);
-      }
-      p++;
-    }
-
-    return true;
-  };
-
-  parseCommand(); //depends on value of p, so don't move this without taking that into consideration
-
-  const fieldDefMarker = "<!--<![CDATA[d3d-keys";
-  p = svgData.indexOf(fieldDefMarker);
-  if (p == -1) { console.log("loadFromSvg: could not find metadata marker"); return false; }
-  p += fieldDefMarker.length;
-  skipSpace();
-
-  var endP = svgData.indexOf("]]>-->", p);
-  if (endP == -1) { console.log("loadFromSvg: could not find metadata end-marker"); return false; }
-  var metaFields = JSON.parse(svgData.substr(p, endP - p));
-  //TODO: log error and return false if parsing failed
-  for (var k in metaFields) {
-    var v = metaFields[k];
-    switch (k) {
-      case "height": numLayers = v; break;
-      case "outlineShape": VERTICALSHAPE = v; break;
-      case "twist": rStep = v; break;
-    }
-  }
-
-  renderToImageDataPreview();
-
-  return true;
-}
 
diff --git a/js_src/gcodeGenerating.js b/js_src/gcodeGenerating.js
index 8d19f59..321c217 100644
--- a/js_src/gcodeGenerating.js
+++ b/js_src/gcodeGenerating.js
@@ -1,37 +1,10 @@
-/*var gcodeStart = [];
-gcodeStart.push(";Generated with Doodle3D");
-gcodeStart.push("G21"); 						// metric values
-gcodeStart.push("G91"); 						// relative positioning
-gcodeStart.push("M107"); 						// start with the fan off
-gcodeStart.push("G28 X0 Y0"); 			// move X/Y to min endstops
-gcodeStart.push("G28 Z0"); 					// move Z to min endstops
-gcodeStart.push("G1 Z15 F9000"); 		// move the platform down 15mm
-gcodeStart.push("G92 E0"); 					// zero the extruded length
-gcodeStart.push("G1 F200 E10");			// extrude 10mm of feed stock
-gcodeStart.push("G92 E0");					// zero the extruded length again
-//gcodeStart.push("G92 X-100 Y-100 E0"); // zero the extruded length again and make center the start position
-gcodeStart.push("G1 F9000");
-gcodeStart.push("G90"); 						// absolute positioning
-gcodeStart.push("M117 Printing Doodle...  ");	// display message (20 characters to clear whole screen)
 
-var gcodeEnd= [];
-gcodeEnd.push("M107"); 							// fan off
-gcodeEnd.push("G91"); 							// relative positioning
-gcodeEnd.push("G1 E-1 F300"); 			// retract the filament a bit before lifting the nozzle, to release some of the pressure
-gcodeEnd.push("G1 Z+0.5 E-5 X-20 Y-20 F9000"); // move Z up a bit and retract filament even more
-gcodeEnd.push("G28 X0 Y0"); 				// move X/Y to min endstops, so the head is out of the way
-gcodeEnd.push("M84"); 							// disable axes / steppers
-gcodeEnd.push("G90"); 							// absolute positioning
-gcodeEnd.push("M117 Done                ");	// display message (20 characters to clear whole screen)*/
-
-
-var MAX_POINTS_TO_PRINT = 200000; //400000; //80000; //40000; 
+var MAX_POINTS_TO_PRINT = 200000
 var gcode = [];
 
 function generate_gcode() {
   console.log("f:generategcode()");
 
-  
   gcode = [];
 
   console.log("settings: ",settings);
@@ -43,7 +16,6 @@ function generate_gcode() {
   var wallThickness 		      = settings["printer.wallThickness"];
   var screenToMillimeterScale = settings["printer.screenToMillimeterScale"];
   var layerHeight 			      = settings["printer.layerHeight"];
-  var maxObjectHeight		      = settings["printer.maxObjectHeight"];
   var temperature 			      = settings["printer.temperature"];
   var bedTemperature 			    = settings["printer.bed.temperature"];
   var useSubLayers 			      = settings["printer.useSubLayers"];
@@ -54,66 +26,35 @@ function generate_gcode() {
   var retractionamount 	      = settings["printer.retraction.amount"];
   var preheatTemperature      = settings["printer.heatup.temperature"];
   var preheatBedTemperature   = settings["printer.heatup.bed.temperature"];
-  var printerBedWidth      		= settings["printer.bed.width"];
-  var printerBedHeight      	= settings["printer.bed.height"];
-  
-  var gCodeOffsetX = printerBedWidth/2; //110; // mm
-  var gCodeOffsetY = printerBedHeight/2; //110; // mm
-  
+  var printerDimensionsX   		= settings["printer.dimensions.x"];
+  var printerDimensionsY      = settings["printer.dimensions.y"];
+  var printerDimensionsZ      = settings["printer.dimensions.z"];
+
+  var gCodeOffsetX = printerDimensionsX/2;
+  var gCodeOffsetY = printerDimensionsY/2;
+
   var startCode = generateStartCode();
   var endCode = generateEndCode();
-  
-  /*
-  console.log("f:generate_gcode >> EFFE CHECKEN:");
-  console.log("   speed: " + speed);
-  console.log("   travelSpeed: " + travelSpeed);
-  console.log("   filamentThickness: " + filamentThickness);
-  console.log("   wallThickness: " + wallThickness);
-  console.log("   screenToMillimeterScale: " + screenToMillimeterScale);
-  console.log("   layerHeight: " + layerHeight);
-  console.log("   objectHeight: " + objectHeight);
-  console.log("   maxObjectHeight: " + maxObjectHeight);
-  console.log("   temperature: " + temperature);
-  console.log("   maxObjectHeight: " + maxObjectHeight);
-  console.log("   useSubLayers: " + useSubLayers);
-  console.log("   enableTraveling: " + enableTraveling);
-  console.log("   retractionspeed: " + retractionspeed);
-  console.log("   retractionminDistance: " + retractionminDistance);
-  console.log("   retractionamount: " + retractionamount);
-  console.log("");
-  //*/
 
   // max amount of real world layers
-  var layers = maxObjectHeight / layerHeight; //maxObjectHeight instead of objectHeight
+  var layers = printerDimensionsZ / layerHeight; //maxObjectHeight instead of objectHeight
 
   // translate numLayers in preview to objectHeight in real world
-  //objectHeight = Math.ceil(numLayers / 5); // in settings objectHeight = 20, in previewRendering_v01.js numLayers is 100, hence the / 5
-  //objectHeight = numLayers; // in settings objectHeight = 20, in previewRendering_v01.js numLayers is 100, hence the / 5
-  objectHeight = Math.round(numLayers/maxNumLayers*maxObjectHeight);
+  objectHeight = Math.round(numLayers/maxNumLayers*printerDimensionsZ);
 
   // translate preview rotation (per layer) to real world rotation
   var rStepGCode = rStep * maxNumLayers/layers; ///maxNumLayers*maxObjectHeight;
+  
   // correct direction
   rStepGCode = -rStepGCode;
 
-  // todo hier een array van PATHS maken wat de losse paths zijn
-
   // copy array without reference -> http://stackoverflow.com/questions/9885821/copying-of-an-array-of-objects-to-another-array-without-object-reference-in-java
   var points = JSON.parse(JSON.stringify(_points));
 
-//  console.log("f:generategcode() >> paths: " + paths.toString());
-//  console.log("paths.toString(): " + paths.toString());
-//  return;
-  
-  //gcode.push("M104 S" + temperature); // set target temperature and do not wait for the extruder to reach it
-  //gcode.push("M109 S" + temperature); // set target temperature and wait for the extruder to reach it
-  
   // add gcode begin commands
   gcode = gcode.concat(startCode);
-  
-  //gcode.push("M109 S" + temperature); // set target temperature and wait for the extruder to reach it
 
-  var layers = maxObjectHeight / layerHeight; //maxObjectHeight instead of objectHeight
+  var layers = printerDimensionsZ / layerHeight; //maxObjectHeight instead of objectHeight
   var extruder = 0.0;
   var prev = new Point(); prev.set(0, 0);
 
@@ -121,38 +62,32 @@ function generate_gcode() {
   var centerOfDoodle = {
     x: doodleBounds[0] + (doodleBounds[2]- doodleBounds[0])/2,
     y: doodleBounds[1] + (doodleBounds[3] - doodleBounds[1])/2
-//    x: doodleBounds[0],
-//    y: doodleBounds[1]
   }
 
   console.log("f:generategcode() >> layers: " + layers);
   if (layers == Infinity) return;
 
 	// check feasibility of design
-	var pointsToPrint = points.length * layers*(objectHeight/maxObjectHeight)
-	//console.log("  points.length: ",points.length);
-	//console.log("  numLayers: ",(layers*(objectHeight/maxObjectHeight)));
-	//console.log("  pointsToPrint: ",pointsToPrint);
-	//console.log("  MAX_POINTS_TO_PRINT: ",MAX_POINTS_TO_PRINT);
-  
+	var pointsToPrint = points.length * layers*(objectHeight/printerDimensionsZ)
+
 	console.log("pointsToPrint: ",pointsToPrint);
-		
+
   if(pointsToPrint > MAX_POINTS_TO_PRINT) {
   	alert("Sorry, your doodle is too complex or too high. Please try to simplify it.");
   	console.log("ERROR: to many points too convert to gcode");
   	return [];
   }
-	
+
   for (var layer = 0; layer < layers; layer++) {
 
+    //gcode.push(";LAYER:"+layer); //this will be added in a next release to support GCODE previewing in CURA
+
     var p = JSON.parse(JSON.stringify(points)); // [].concat(points);
 
     if (p.length < 2) return;
     var even = (layer % 2 == 0);
     var progress = layer / layers;
 
-    // float layerScale = scaleFunction(float(layer)/layers); // scaleFactor van de layer -> lookup naar vfunc[] voor die scaleVals
-//    var layerScale = 1.0;
     var layerScale = scaleFunction(progress);
 
     // if begin point this row and end point last row are close enough, isLoop is true
@@ -162,11 +97,6 @@ function generate_gcode() {
     pointsTranslate(p, -centerOfDoodle.x, -centerOfDoodle.y);
     pointsScale(p, screenToMillimeterScale,-screenToMillimeterScale);
     pointsScale(p, layerScale, layerScale);
-
-    // sort-of in de buurt van (360/2.5)
-    // // -> aight.. er zijn 750 lines vs 1000 in de d3d app. 135 = .75 * 180... dit kan je nog rechttrekken als je NET wat slimmer nadenkt :)
-    // update: NEE, het is niet .75 * 180 want 135 was niet de beste value.
-    //pointsRotate(p, rStep * progress * 139);
     pointsRotate(p, rStepGCode * layer);
 
     if (layer == 0) {
@@ -200,24 +130,17 @@ function generate_gcode() {
         paths[pathCounter].push([p[i][0], p[i][1]]);
       }
     }
-//    console.log("f:generategcode() >> paths.length: " + paths.length);
 
     // loop over the subpaths (the separately drawn lines)
     for (var j = 0; j < paths.length; j++) { // TODO paths > subpaths
-      // this line is probably for drawing efficiency, alternating going from 0->end and end->0 (i.e. to and fro)
-//      vector<ofSubPath::Command> &commands = subpaths[even ? j : subpaths.size()-1-j].getCommands();
-      var commands = paths[j]; //commands zijn alle points uit subpath j // TODO commands > subpathPoints
+      var commands = paths[j];
 
       // loop over the coordinates of the subpath
       for (var i = 0; i < commands.length; i++) {
         var last = commands.length - 1;
 
-        // this line is probably for drawing efficiency, alternating going from 0->end and end->0 (i.e. to and fro)
-//        ofPoint to = commands[(even || isLoop || loopAlways) ? i : last-i].to;
         var to = new Point(); to.set(commands[i][0], commands[i][1]);
 
-        // TODO 2013-09-18 evaluate if this should stay..
-        // this was added when Rick mailed us wrt the Ultimaker delivery of Doodle3D
         to.x += gCodeOffsetX;
         to.y += gCodeOffsetY;
 
@@ -228,13 +151,10 @@ function generate_gcode() {
         var doRetract = retractionEnabled && prev.distance(to) > retractionminDistance;
 
         if (enableTraveling && isTraveling) {
-//          console.log("enableTraveling && isTraveling >> doRetract: " + doRetract + ", retractionspeed: " + retractionspeed);
           if (doRetract) gcode.push("G0 E" + (extruder - retractionamount).toFixed(3) + " F" + (retractionspeed * 60).toFixed(3)); //retract
           gcode.push("G0 X" + to.x.toFixed(3) + " Y" + to.y.toFixed(3) + " Z" + z.toFixed(3) + " F" + (travelSpeed * 60).toFixed(3));
           if (doRetract) gcode.push("G0 E" + extruder.toFixed(3) + " F" + (retractionspeed * 60).toFixed(3)); // return to normal
         } else {
-//          console.log("       else");
-          //extruder += prev.distance(to) * wallThickness * layerHeight / filamentThickness;
           extruder += prev.distance(to) * wallThickness * layerHeight / (Math.pow((filamentThickness/2), 2) * Math.PI);
           gcode.push("G1 X" + to.x.toFixed(3) + " Y" + to.y.toFixed(3) + " Z" + z.toFixed(3) + " F" + (speed * 60).toFixed(3) + " E" + extruder.toFixed(3));
         }
@@ -247,39 +167,27 @@ function generate_gcode() {
 
     }
 
-    if ((layer/layers) > (objectHeight/maxObjectHeight)) {
-      console.log("f:generategcode() >> (layer/layers) > (objectHeight/maxObjectHeight) is true -> breaking at layer " + (layer + 1));
+    if ((layer/layers) > (objectHeight/printerDimensionsZ)) {
+      console.log("f:generategcode() >> (layer/layers) > (objectHeight/printerDimensionsZ) is true -> breaking at layer " + (layer + 1));
       break;
     }
   }
   // add gcode end commands
   gcode = gcode.concat(endCode);
-  
+
   return gcode;
 }
 
 function generateStartCode() {
 	var printerType = settings["printer.type"];
-	
-	var startCode = "";
-	if(settingsWindow.isMarlinPrinter(printerType)) {
-		startCode = settings["printer.startcode.marlin"];
-	} else {
-		startCode = settings["printer.startcode.x3g"];
-	}
+	var startCode = settings["printer.startcode"];
 	startCode = subsituteVariables(startCode);
 	startCode = startCode.split("\n");
 	return startCode;
 }
 function generateEndCode() {
 	var printerType = settings["printer.type"];
-	
-	var endCode = "";
-	if(settingsWindow.isMarlinPrinter(printerType)) {
-		endCode = settings["printer.endcode.marlin"];
-	} else {
-		endCode = settings["printer.endcode.x3g"];
-	}
+	var endCode = settings["printer.endcode"];
 	endCode = subsituteVariables(endCode);
 	endCode = endCode.split("\n");
 	return endCode;
@@ -292,10 +200,12 @@ function subsituteVariables(gcode) {
 	var preheatTemperature      = settings["printer.heatup.temperature"];
 	var preheatBedTemperature   = settings["printer.heatup.bed.temperature"];
   var printerType             = settings["printer.type"];
-  
+
   switch (printerType) {
-    case "makerbot_replicator2": printerType = "r2x"; break;
+    case "makerbot_replicator2": printerType = "r2"; break; 
+    case "makerbot_replicator2x": printerType = "r2x"; break;
     case "makerbot_thingomatic": printerType = "t6"; break;
+    case "makerbot_generic": printerType = "r2"; break;
   }
 
 	gcode = gcode.replace(/{printingTemp}/gi  	,temperature);
diff --git a/js_src/libs/FileSaver.js b/js_src/libs/FileSaver.js
new file mode 100644
index 0000000..378a9dc
--- /dev/null
+++ b/js_src/libs/FileSaver.js
@@ -0,0 +1,232 @@
+/* FileSaver.js
+ * A saveAs() FileSaver implementation.
+ * 2013-10-21
+ *
+ * By Eli Grey, http://eligrey.com
+ * License: X11/MIT
+ *   See LICENSE.md
+ */
+
+/*global self */
+/*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true,
+  plusplus: true */
+
+/*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */
+
+var saveAs = saveAs
+  || (typeof navigator !== 'undefined' && navigator.msSaveOrOpenBlob && navigator.msSaveOrOpenBlob.bind(navigator))
+  || (function(view) {
+	"use strict";
+	var
+		  doc = view.document
+		  // only get URL when necessary in case BlobBuilder.js hasn't overridden it yet
+		, get_URL = function() {
+			return view.URL || view.webkitURL || view;
+		}
+		, URL = view.URL || view.webkitURL || view
+		, save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a")
+		, can_use_save_link =  !view.externalHost && "download" in save_link
+		, click = function(node) {
+			var event = doc.createEvent("MouseEvents");
+			event.initMouseEvent(
+				"click", true, false, view, 0, 0, 0, 0, 0
+				, false, false, false, false, 0, null
+			);
+			node.dispatchEvent(event);
+		}
+		, webkit_req_fs = view.webkitRequestFileSystem
+		, req_fs = view.requestFileSystem || webkit_req_fs || view.mozRequestFileSystem
+		, throw_outside = function (ex) {
+			(view.setImmediate || view.setTimeout)(function() {
+				throw ex;
+			}, 0);
+		}
+		, force_saveable_type = "application/octet-stream"
+		, fs_min_size = 0
+		, deletion_queue = []
+		, process_deletion_queue = function() {
+			var i = deletion_queue.length;
+			while (i--) {
+				var file = deletion_queue[i];
+				if (typeof file === "string") { // file is an object URL
+					URL.revokeObjectURL(file);
+				} else { // file is a File
+					file.remove();
+				}
+			}
+			deletion_queue.length = 0; // clear queue
+		}
+		, dispatch = function(filesaver, event_types, event) {
+			event_types = [].concat(event_types);
+			var i = event_types.length;
+			while (i--) {
+				var listener = filesaver["on" + event_types[i]];
+				if (typeof listener === "function") {
+					try {
+						listener.call(filesaver, event || filesaver);
+					} catch (ex) {
+						throw_outside(ex);
+					}
+				}
+			}
+		}
+		, FileSaver = function(blob, name) {
+			// First try a.download, then web filesystem, then object URLs
+			var
+				  filesaver = this
+				, type = blob.type
+				, blob_changed = false
+				, object_url
+				, target_view
+				, get_object_url = function() {
+					var object_url = get_URL().createObjectURL(blob);
+					deletion_queue.push(object_url);
+					return object_url;
+				}
+				, dispatch_all = function() {
+					dispatch(filesaver, "writestart progress write writeend".split(" "));
+				}
+				// on any filesys errors revert to saving with object URLs
+				, fs_error = function() {
+					// don't create more object URLs than needed
+					if (blob_changed || !object_url) {
+						object_url = get_object_url(blob);
+					}
+					if (target_view) {
+						target_view.location.href = object_url;
+					} else {
+                        window.open(object_url, "_blank");
+                    }
+					filesaver.readyState = filesaver.DONE;
+					dispatch_all();
+				}
+				, abortable = function(func) {
+					return function() {
+						if (filesaver.readyState !== filesaver.DONE) {
+							return func.apply(this, arguments);
+						}
+					};
+				}
+				, create_if_not_found = {create: true, exclusive: false}
+				, slice
+			;
+			filesaver.readyState = filesaver.INIT;
+			if (!name) {
+				name = "download";
+			}
+			if (can_use_save_link) {
+				object_url = get_object_url(blob);
+				// FF for Android has a nasty garbage collection mechanism
+				// that turns all objects that are not pure javascript into 'deadObject'
+				// this means `doc` and `save_link` are unusable and need to be recreated
+				// `view` is usable though:
+				doc = view.document;
+				save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a");
+				save_link.href = object_url;
+				save_link.download = name;
+				var event = doc.createEvent("MouseEvents");
+				event.initMouseEvent(
+					"click", true, false, view, 0, 0, 0, 0, 0
+					, false, false, false, false, 0, null
+				);
+				save_link.dispatchEvent(event);
+				filesaver.readyState = filesaver.DONE;
+				dispatch_all();
+				return;
+			}
+			// Object and web filesystem URLs have a problem saving in Google Chrome when
+			// viewed in a tab, so I force save with application/octet-stream
+			// http://code.google.com/p/chromium/issues/detail?id=91158
+			if (view.chrome && type && type !== force_saveable_type) {
+				slice = blob.slice || blob.webkitSlice;
+				blob = slice.call(blob, 0, blob.size, force_saveable_type);
+				blob_changed = true;
+			}
+			// Since I can't be sure that the guessed media type will trigger a download
+			// in WebKit, I append .download to the filename.
+			// https://bugs.webkit.org/show_bug.cgi?id=65440
+			if (webkit_req_fs && name !== "download") {
+				name += ".download";
+			}
+			if (type === force_saveable_type || webkit_req_fs) {
+				target_view = view;
+			}
+			if (!req_fs) {
+				fs_error();
+				return;
+			}
+			fs_min_size += blob.size;
+			req_fs(view.TEMPORARY, fs_min_size, abortable(function(fs) {
+				fs.root.getDirectory("saved", create_if_not_found, abortable(function(dir) {
+					var save = function() {
+						dir.getFile(name, create_if_not_found, abortable(function(file) {
+							file.createWriter(abortable(function(writer) {
+								writer.onwriteend = function(event) {
+									target_view.location.href = file.toURL();
+									deletion_queue.push(file);
+									filesaver.readyState = filesaver.DONE;
+									dispatch(filesaver, "writeend", event);
+								};
+								writer.onerror = function() {
+									var error = writer.error;
+									if (error.code !== error.ABORT_ERR) {
+										fs_error();
+									}
+								};
+								"writestart progress write abort".split(" ").forEach(function(event) {
+									writer["on" + event] = filesaver["on" + event];
+								});
+								writer.write(blob);
+								filesaver.abort = function() {
+									writer.abort();
+									filesaver.readyState = filesaver.DONE;
+								};
+								filesaver.readyState = filesaver.WRITING;
+							}), fs_error);
+						}), fs_error);
+					};
+					dir.getFile(name, {create: false}, abortable(function(file) {
+						// delete file if it already exists
+						file.remove();
+						save();
+					}), abortable(function(ex) {
+						if (ex.code === ex.NOT_FOUND_ERR) {
+							save();
+						} else {
+							fs_error();
+						}
+					}));
+				}), fs_error);
+			}), fs_error);
+		}
+		, FS_proto = FileSaver.prototype
+		, saveAs = function(blob, name) {
+			return new FileSaver(blob, name);
+		}
+	;
+	FS_proto.abort = function() {
+		var filesaver = this;
+		filesaver.readyState = filesaver.DONE;
+		dispatch(filesaver, "abort");
+	};
+	FS_proto.readyState = FS_proto.INIT = 0;
+	FS_proto.WRITING = 1;
+	FS_proto.DONE = 2;
+
+	FS_proto.error =
+	FS_proto.onwritestart =
+	FS_proto.onprogress =
+	FS_proto.onwrite =
+	FS_proto.onabort =
+	FS_proto.onerror =
+	FS_proto.onwriteend =
+		null;
+
+	view.addEventListener("unload", process_deletion_queue, false);
+	return saveAs;
+}(this.self || this.window || this.content));
+// `self` is undefined in Firefox for Android content script context
+// while `this` is nsIContentFrameMessageManager
+// with an attribute `content` that corresponds to the window
+
+if (typeof module !== 'undefined') module.exports = saveAs;
diff --git a/js_src/libs/jquery-coolfieldset.js b/js_src/libs/jquery-coolfieldset.js
new file mode 100644
index 0000000..4273e86
--- /dev/null
+++ b/js_src/libs/jquery-coolfieldset.js
@@ -0,0 +1,58 @@
+/**
+ * jQuery Plugin for creating collapsible fieldset
+ * @requires jQuery 1.2 or later
+ *
+ * Copyright (c) 2010 Lucky <bogeyman2007@gmail.com>
+ * Licensed under the GPL license:
+ *   http://www.gnu.org/licenses/gpl.html
+ *
+ * "animation" and "speed" options are added by Mitch Kuppinger <dpneumo@gmail.com>
+ */
+
+(function($) {
+	function hideFieldsetContent(obj, options){
+		if(options.animation==true)
+			obj.find('div').slideUp(options.speed);
+		else
+			obj.find('div').hide();
+		
+		obj.removeClass("expanded");
+		obj.addClass("collapsed");
+	}
+	
+	function showFieldsetContent(obj, options){
+		if(options.animation==true)
+			obj.find('div').slideDown(options.speed);
+		else
+			obj.find('div').show();
+		
+		obj.removeClass("collapsed");
+		obj.addClass("expanded");
+	}
+	
+	$.fn.coolfieldset = function(options){
+		var setting={collapsed:false, animation:true, speed:'medium'};
+		$.extend(setting, options);
+		
+		this.each(function(){
+			var fieldset=$(this);
+			fieldset.addClass("collapsible");
+			var legend=fieldset.children('legend');
+			
+			if(setting.collapsed==true){
+				hideFieldsetContent(fieldset, setting);
+			} else {
+				showFieldsetContent(fieldset, setting);
+			}
+			
+			// legend.bind('touchstart mousedown', function() {
+			legend.bind('click', function() {
+				if(fieldset.hasClass("collapsed")) {
+					showFieldsetContent(fieldset, setting);
+				} else {
+					hideFieldsetContent(fieldset, setting);
+				}
+			});
+		});
+	}
+})(jQuery);
\ No newline at end of file
diff --git a/js_src/main.js b/js_src/main.js
index 0eb87d4..a4672a9 100644
--- a/js_src/main.js
+++ b/js_src/main.js
@@ -25,17 +25,17 @@ var clientInfo = {};
 $(function() {
   console.log("ready");
 
-  //TODO give this a more logical place in code
-
   if (getURLParameter("d") != "null") debugMode = (getURLParameter("d") == "1");
   if (getURLParameter("p") != "null") sendPrintCommands = (getURLParameter("p") == "1");
   if (getURLParameter("c") != "null") communicateWithWifibox = (getURLParameter("c") == "1");
   if (getURLParameter("r") != "null") wifiboxIsRemote = (getURLParameter("r") == "1");
   if (getURLParameter("u") != "null") autoUpdate = (getURLParameter("u") == "1");
-  
+
 	if (wifiboxIsRemote) {
-		wifiboxURL = "http://192.168.5.1/d3dapi";
-		wifiboxCGIBinURL = "http://192.168.5.1/cgi-bin/d3dapi";
+    // var hostname = "http://10.0.0.45";
+    var hostname = "http://192.168.5.1";
+		wifiboxURL = hostname+"/d3dapi";
+		wifiboxCGIBinURL = hostname+"/cgi-bin/d3dapi";
 	} else {
 		wifiboxURL = "http://" + window.location.host + "/d3dapi";
 		wifiboxCGIBinURL = "http://" + window.location.host + "/cgi-bin/d3dapi";
@@ -59,6 +59,7 @@ $(function() {
   initLayouting();
   initSidebars();
   initButtonBehavior();
+  initKeyboard();
   initVerticalShapes();
   if (!clientInfo.isSmartphone) initHelp();
 
@@ -66,7 +67,7 @@ $(function() {
   progressbar.init($("#progressbarCanvas"), $("#progressbarCanvasContainer"));
 
   message.init($("#message"));
-  
+
   printer.init();
 	$(document).on(Printer.UPDATE,update);
 
@@ -77,8 +78,8 @@ $(function() {
     console.log("debug mode is true");
     $("body").css("overflow", "auto");
     $("#debug_textArea").css("display", "block");
-    $("#preview_tmp").css("display", "block");
-    
+    //$("#preview_tmp").css("display", "block");
+
     $("#debug_display").css("display", "block");
 
     // show and hide the progressguage and thermometer
@@ -115,14 +116,14 @@ $(function() {
 function enableButton(elem, handler) {
 	//var elem = $('#'+domId);
 	elem.removeClass("disabled");
- 	elem.unbind('touchstart mousedown');
- 	elem.bind('touchstart mousedown', handler);
+ 	elem.unbind('click');
+ 	elem.bind('click', handler);
 }
 
 function disableButton(elem) {
 	//var elem = $('#'+domId);
 	elem.addClass("disabled");
- 	elem.unbind('touchstart mousedown');
+ 	elem.unbind('click');
 }
 
 function showOrHideThermo() {
@@ -151,4 +152,4 @@ function settingsLoaded() {
 
 function setDebugText(text) {
 	$("#debug_display").text(text);
-}
\ No newline at end of file
+}
diff --git a/js_src/previewRendering.js b/js_src/previewRendering.js
index 6c3c825..c28314b 100644
--- a/js_src/previewRendering.js
+++ b/js_src/previewRendering.js
@@ -7,7 +7,7 @@ var preview_tmp;
 var previewCtx_tmp;
 
 var previewDefaults = {
-  rotation: Math.PI/90,
+  rotation: 0, //Math.PI/90,
   numLayers: 10
 }
 
diff --git a/www/css/settings.css b/www/css/settings.css
index cf5d48a..8e80f71 100644
--- a/www/css/settings.css
+++ b/www/css/settings.css
@@ -35,10 +35,34 @@ form fieldset fieldset{
 	clear: left;
 	float: left;
 }
+form fieldset.collapsed {
+	border-radius: 0;
+	-webkit-border-radius: 0;
+	-moz-border-radius: 0;
+	border-width: 1px 0 0 0;
+	float:none;
+}
+form fieldset.collapsible {
+	padding: 0;
+}
+form fieldset.collapsible div{
+	margin: 8px;
+}
 form fieldset legend {
   margin-left: 10px;
   font-weight: bold;
 }
+form fieldset.collapsible legend {
+	padding-left: 10px;
+	cursor: pointer;
+}
+form fieldset.expanded legend {
+	background: transparent url(../img/buttons/expanded.gif) no-repeat center left;
+}
+form fieldset.collapsed legend {
+	background: transparent url(../img/buttons/collapsed.gif) no-repeat center left;
+}
+
 form label {
   min-width: 150px;
   display: block;
diff --git a/www/img/buttons/btnOk.png b/www/img/buttons/btnOk.png
index 733b6c6..7d98831 100644
Binary files a/www/img/buttons/btnOk.png and b/www/img/buttons/btnOk.png differ
diff --git a/www/img/buttons/btnOk_settings.png b/www/img/buttons/btnOk_settings.png
deleted file mode 100644
index f45a252..0000000
Binary files a/www/img/buttons/btnOk_settings.png and /dev/null differ
diff --git a/www/img/buttons/btnReset_settings.png b/www/img/buttons/btnReset_settings.png
deleted file mode 100644
index f79bfa0..0000000
Binary files a/www/img/buttons/btnReset_settings.png and /dev/null differ
diff --git a/www/img/buttons/collapsed.gif b/www/img/buttons/collapsed.gif
new file mode 100644
index 0000000..108ff04
Binary files /dev/null and b/www/img/buttons/collapsed.gif differ
diff --git a/www/img/buttons/expanded.gif b/www/img/buttons/expanded.gif
new file mode 100644
index 0000000..f520c08
Binary files /dev/null and b/www/img/buttons/expanded.gif differ
diff --git a/www/index.html b/www/index.html
index f0fc3dd..10b7cf5 100644
--- a/www/index.html
+++ b/www/index.html
@@ -33,8 +33,8 @@
     <div class='sidebutton shadowright'></div>
     <img class="btnNew btn" src="img/buttons/btnNew.png" /><br/>
     <div class="btnsPrevNext" style="text-align:center">
-      <img class="btnPrevious btn" src="img/buttons/btnLeft.png">
-      <img class="btnNext btn" src="img/buttons/btnRight.png">
+      <img class="btnPrevious btn disabled" src="img/buttons/btnLeft.png">
+      <img class="btnNext btn disabled" src="img/buttons/btnRight.png">
       <!-- <div id="txtSketch"></div> -->
     </div>
     <img class="btnSave btn" src="img/buttons/btnSave.png" /><br/>
@@ -63,7 +63,7 @@
     </div>
 
   </div>
-  
+
   <div id="message"></div>
 
   <!-- center panel -->
@@ -102,7 +102,8 @@
     </div>
   </div>
   <div id="debug_textArea">
-    <textarea rows="5" cols="60" id="textdump"></textarea>
+    <!-- <textarea rows="5" cols="60" id="textdump"></textarea> -->
+    <button onclick="settingsWindow.downloadGcode()">Download gcode</button>
   </div>
   <div id="debug_display">
   </div>
@@ -117,7 +118,7 @@
         <div class="settingsContainer"></div>
         <div class="right">
           <div class="btnContainer">
-            <img src="img/buttons/btnOk_settings.png" class="btn btnOK" alt="save"/>
+            <img src="img/buttons/btnOk.png" class="btn btnOK" alt="save"/>
           </div>
         </div>
       </div>
@@ -134,6 +135,8 @@
 <!--<script src="js/libs/imagesloaded-pkgd.min.js"></script>-->
 <!--<script src="../js_src/libs/jquery-joyride-2-1.js"></script>-->
 <script src="js/libs/jquery-joyride-2-1.min.js"></script>
+<script src="js/libs/jquery-coolfieldset.min.js"></script>
+<script src="js/libs/FileSaver.min.js"></script>
 <!--<script src="js/doodle3d-client.js"></script>-->
 <script src="js/doodle3d-client.min.js"></script>
 
@@ -152,6 +155,8 @@
 <script src="../js_src/Progressbar.js"></script>
 <script src="../js_src/Thermometer.js"></script>
 <script src="../js_src/utils.js"></script>
+<script src="../js_src/sketches.js"></script>
+<script src="../js_src/Help.js"></script>
 <script src="../js_src/sidebar.js"></script>
 <script src="../js_src/Message.js"></script>
 <script src="../js_src/main.js"></script>
diff --git a/www/settings.html b/www/settings.html
index aac0987..79d2b5f 100644
--- a/www/settings.html
+++ b/www/settings.html
@@ -12,13 +12,15 @@
 <body>
 <div class="settingsContainer">
   <form id="settingsForm">
-    <fieldset>
+    <fieldset id="printerPanel">
       <legend>3D printer</legend>
       <label for="printerType">Type:</label>
-      <select id="printerType" name="printer.type">
-        <option value="rigidbot">Rigidbot</option>
+      <select id="printerType" name="printer.type"></select>
+<!--         <option value="rigidbot">Rigidbot</option>
         <option value="ultimaker">Ultimaker</option>
+        <option value="ultimaker2">Ultimaker2</option>
         <option value="makerbot_replicator2">MakerBot Replicator2</option>
+        <option value="makerbot_replicator2x">MakerBot Replicator2x</option>
         <option value="makerbot_thingomatic">MakerBot Thing-o-matic</option>
         <option value="printrbot">Printrbot</option>
         <option value="bukobot">Bukobot</option>
@@ -49,9 +51,38 @@
         <option value="vision_3d_printer">Vision 3D Printer</option>
         <option value="marlin_generic">Generic Marlin Printer</option>
         <option value="makerbot_generic">Generic Makerbot Printer</option>
-      </select><br/>
-      <label for="printerBedWidth">Bed width:</label><input id="printerBedWidth" type="number" class="small" name="printer.bed.width">mm<br>
-      <label for="printerBedHeight">Bed height:</label><input id="printerBedHeight" type="number" class="small" name="printer.bed.height">mm<br>
+      </select> --><br/>
+
+      <label for="printerDimensionsX">Dimensions:</label>
+      x:<input id="printerDimensionsX" type="number" class="small" name="printer.dimensions.x" placeholder="x">mm<br>
+      <label for="printerDimensionsY"></label>
+      y:<input id="printerDimensionsY" type="number" class="small" name="printer.dimensions.y" placeholder="y">mm<br>
+      <label for="printerDimensionsZ"></label>
+      z:<input id="printerDimensionsZ" type="number" class="small" name="printer.dimensions.z" placeholder="z">mm<br>
+
+      <fieldset id="gcodePanel">
+ 		<legend>GCODE settings</legend>
+ 		<div>
+ 			<div class="startgcode_left">
+     	  		<label for="startgcode">Start:</label><br/>
+      	 		<textarea id="startgcode" class="gcode" name="printer.startcode"></textarea>
+     		</div>
+     	 	<div>
+     		   	<label for="endgcode">End:</label><br/>
+     		   	<textarea id="endgcode" class="gcode" name="printer.endcode"></textarea>
+     	 	</div>
+    	  	<small>
+    	  		The following texts are replaced:
+    	  		<dl>
+    	  			<dt>{printingTemp}</dt><dd>Printing temperature</dd>
+     	 			<dt>{printingBedTemp}</dt><dd>Printing bed temperature</dd>
+      				<dt>{preheatTemp}</dt><dd>Preheat temperature</dd>
+      				<dt>{preheatBedTemp}</dt><dd>Preheat bed temperature</dd>
+      				<dt>{printerType}</dt><dd>Printer type</dd>
+      			</dl>
+      		</small>
+      	</div>
+      </fieldset>
     </fieldset>
 
 	<fieldset id="printersettings">
@@ -82,7 +113,7 @@
 	<fieldset id="doodlesettings">
 		<legend>Doodle3D settings</legend>
 		<label for="simplifyMinDistance">Minimal line distance:</label><input id="simplifyMinDistance" type="number" class="small" name="doodle3d.simplify.minDistance">px<br>
-		<label for="maxObjectHeight">Max object height:</label><input id="maxObjectHeight" type="number" class="small" name="printer.maxObjectHeight">mm<br>
+		<!-- <label for="maxObjectHeight">Max object height:</label><input id="maxObjectHeight" type="number" class="small" name="printer.maxObjectHeight">mm<br> -->
 		<label for="screenToMillimeterScale">Pixels to mm scale:</label><input id="screenToMillimeterScale" type="number" step="0.1" class="small" name="printer.screenToMillimeterScale"><br>
 	</fieldset>
 
@@ -133,52 +164,11 @@
         <small id="updateInfo"></small>
  	</fieldset>
 
-    <fieldset id="gcodeSettings">
- 		<legend>GCODE settings</legend>
- 		<small class="intro">GCode settings for all printers that use Marlin firmware</small>
- 		<div class="startgcode_left">
-       		<label for="startgcodeMarlin">Start:</label><br/>
-       		<textarea id="startgcodeMarlin" class="gcode" name="printer.startcode.marlin"></textarea>
-     	</div>
-      	<div>
-        	<label for="endgcodeMarlin">End:</label><br/>
-        	<textarea id="endcodeMarlin" class="gcode" name="printer.endcode.marlin"></textarea>
-      	</div>
-      	<small>
-      		The following texts are replaced:
-      		<dl>
-      			<dt>{printingTemp}</dt><dd>Printing temperature</dd>
-      			<dt>{printingBedTemp}</dt><dd>Printing bed temperature</dd>
-      			<dt>{preheatTemp}</dt><dd>Preheat temperature</dd>
-      			<dt>{preheatBedTemp}</dt><dd>Preheat bed temperature</dd>
-      		</dl>
-      	</small>
-    </fieldset>
-    <fieldset id="x3gSettings">
- 		<legend>GCODE settings</legend>
- 		<small class="intro">GCODE settings for Makerbots.</small>
- 		<div class="startgcode_left">
-       		<label for="startgcodeX3G">Start:</label><br/>
-       		<textarea id="startcodeX3G" class="gcode" name="printer.startcode.x3g"></textarea>
-     	</div>
-      	<div>
-        	<label for="endgcodeX3G">End:</label><br/>
-        	<textarea id="endcodeX3G" class="gcode" name="printer.endcode.x3g"></textarea>
-      	</div>
-      	<small>
-      		The following texts are replaced:
-      		<dl>
-      			<dt>{printingTemp}</dt><dd>Printing temperature</dd>
-      			<dt>{printingBedTemp}</dt><dd>Printing bed temperature</dd>
-      			<dt>{preheatTemp}</dt><dd>Preheat temperature</dd>
-      			<dt>{preheatBedTemp}</dt><dd>Preheat bed temperature</dd>
-            <dt>{printerType}</dt><dd>Printer type</dd>
-      		</dl>
-      	</small>
-    </fieldset>
     <fieldset id="debugPanel">
  		<legend>Debug</legend>
  		<input type="button" onclick="settingsWindow.downloadlogs()" name="downloadlogs" value="Download logs" class="button" id="downloadlogs"/>
+    <input type="button" onclick="settingsWindow.downloadGcode()" name="downloadGcode" value="Download GCODE" class="button" id="downloadGcode"/>
+    <input type="button" onclick="settingsWindow.downloadSvg()" name="downloadSvg" value="Download SVG" class="button" id="downloadSvg"/>
     </fieldset>
     <fieldset id="restorePanel">
  		<legend>Restore</legend>