diff --git a/slice_test.html b/slice_test.html
index 4363ad1..86b69ad 100644
--- a/slice_test.html
+++ b/slice_test.html
@@ -81,18 +81,18 @@ var geometry = (function () {
 	"use strict";
 
 	var circle = new THREE.Shape();
-	circle.absarc(0, 0, 20, 0, Math.PI*2, false);
+	circle.absarc(0, 0, 10, 0, Math.PI*2, false);
 
 	var hole = new THREE.Path();
-	hole.absarc(0, 0, 10, 0, Math.PI*2, true );
+	hole.absarc(0, 0, 5, 0, Math.PI*2, true );
 
-	circle.holes.push(hole);
+	//circle.holes.push(hole);
 
 	var matrix = new THREE.Matrix4();
 	matrix.makeRotationX(Math.PI*1.5);
 
 	var geometry = new THREE.ExtrudeGeometry(circle, {
-		amount: 10, 
+		amount: 3, 
 		bevelEnabled: false, 
 		steps: 1
 	});
@@ -102,7 +102,7 @@ var geometry = (function () {
 })();
 
 var material = new THREE.MeshLambertMaterial({color: 0x000000, wireframe: true});
-var geometry = new THREE.TorusGeometry(20, 10, 10, 10);
+//var geometry = new THREE.TorusGeometry(20, 10, 10, 10);
 //var geometry = new THREE.BoxGeometry(20, 5, 20, 1, 1, 1);
 //var geometry = new THREE.SphereGeometry(10, 10, 10);
 var mesh = new THREE.Mesh(geometry, material);
@@ -120,7 +120,7 @@ var gcode = slicer.getGcode(printer);
 var canvas = document.getElementById("canvas");
 var context = canvas.getContext("2d");
 
-var layer = 90;
+var layer = 9;
 var img = slicer.drawPaths(printer, layer, layer + 1);
 context.drawImage(img, 0, 0);
 
diff --git a/src/slicer.js b/src/slicer.js
index e347380..d939fce 100644
--- a/src/slicer.js
+++ b/src/slicer.js
@@ -18,7 +18,6 @@ D3D.Slicer = function () {
 	this.geometry;
 
 	this.lines = [];
-	this.lineLookup = {};
 };
 D3D.Slicer.prototype.setGeometry = function (geometry) {
 	"use strict";
@@ -30,30 +29,32 @@ D3D.Slicer.prototype.setGeometry = function (geometry) {
 
 	return this;
 };
-D3D.Slicer.prototype.addLine = function (a, b) {
-	"use strict";
-
-	//think lookup can only be b_a, a_b is only possible when face is flipped
-	var index = this.lineLookup[a + "_" + b] || this.lineLookup[b + "_" + a];
-
-	if (index === undefined) {
-		index = this.lines.length;
-		this.lineLookup[a + "_" + b] = index;
-
-		this.lines.push({
-			line: new THREE.Line3(this.geometry.vertices[a], this.geometry.vertices[b]),
-			connects: [],
-			normals: []
-		});
-	}
-
-	return index;
-};
 D3D.Slicer.prototype.createLines = function () {
 	"use strict";
 
 	this.lines = [];
-	this.lineLookup = {};
+	var lineLookup = {};
+
+	var self = this;
+	function addLine (a, b) {
+		"use strict";
+
+		//think lookup can only be b_a, a_b is only possible when face is flipped
+		var index = lineLookup[a + "_" + b] || lineLookup[b + "_" + a];
+
+		if (index === undefined) {
+			index = self.lines.length;
+			lineLookup[a + "_" + b] = index;
+
+			self.lines.push({
+				line: new THREE.Line3(self.geometry.vertices[a], self.geometry.vertices[b]),
+				connects: [],
+				normals: []
+			});
+		}
+
+		return index;
+	};
 
 	for (var i = 0; i < this.geometry.faces.length; i ++) {
 		var face = this.geometry.faces[i];
@@ -61,9 +62,9 @@ D3D.Slicer.prototype.createLines = function () {
 
 		//check for only adding unique lines
 		//returns index of said line
-		var a = this.addLine(face.a, face.b);
-		var b = this.addLine(face.b, face.c);
-		var c = this.addLine(face.c, face.a);
+		var a = addLine(face.a, face.b);
+		var b = addLine(face.b, face.c);
+		var c = addLine(face.c, face.a);
 
 		//set connecting lines (based on face)
 
@@ -228,6 +229,7 @@ D3D.Slicer.prototype.slicesToData = function (slices, printer) {
 			innerLayer = innerLayer.concat(inset);
 		}
 
+		//moet fillArea wel kleiner?
 		var fillArea = this.getInset((inset || outerLayer), wallThickness);
 
 		var fillAbove = false;