diff --git a/extensions/fablabchemnitz_affine_spirals.py b/extensions/fablabchemnitz_affine_spirals.py
index 762fe2ca..b46530bb 100644
--- a/extensions/fablabchemnitz_affine_spirals.py
+++ b/extensions/fablabchemnitz_affine_spirals.py
@@ -4,7 +4,6 @@ import inkex
 from lxml import etree
 from math import cos, sin, pi, exp
 __version__ = '0.1'
-inkex.localization.localize
 
 def line(npts=40, x0=0, y0=0, delta=.5, sgn=1):
     #returns a list of points on a line (y = +/- x + c) starting at x0,y0
@@ -96,5 +95,4 @@ class AffineTorus(inkex.Effect): # choose a better name
         curve_attribs = { 'style': styles[0], 'd': payload}
         etree.SubElement(topgroup, inkex.addNS('path','svg'), curve_attribs)
 
-if __name__ == '__main__':
-    AffineTorus().run()
\ No newline at end of file
+AffineTorus().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_anotherperspective.py b/extensions/fablabchemnitz_anotherperspective.py
index 7ab04925..792ad2fa 100644
--- a/extensions/fablabchemnitz_anotherperspective.py
+++ b/extensions/fablabchemnitz_anotherperspective.py
@@ -257,14 +257,14 @@ class AnotherPerspective(inkex.Effect):
 
     def effect(self):
         if len(self.options.ids) < 2:
-            inkex.errormsg(_("This extension requires two selected paths."))
+            inkex.errormsg("This extension requires two selected paths.")
             exit()
 
         obj = self.svg.selected[self.options.ids[0]]
         envelope = self.svg.selected[self.options.ids[1]]
 
         if obj.get(inkex.addNS('type','sodipodi')):
-            inkex.errormsg(_("The first selected object is of type '%s'.\nTry using the procedure Path->Object to Path." % obj.get(inkex.addNS('type','sodipodi'))))
+            inkex.errormsg("The first selected object is of type '%s'.\nTry using the procedure Path->Object to Path." % obj.get(inkex.addNS('type','sodipodi')))
             exit()
 
         if obj.tag == inkex.addNS('path','svg') or obj.tag == inkex.addNS('g','svg'):
diff --git a/extensions/fablabchemnitz_apollonian.inx b/extensions/fablabchemnitz_apollonian.inx
index 57cab1f7..de7c1fb4 100644
--- a/extensions/fablabchemnitz_apollonian.inx
+++ b/extensions/fablabchemnitz_apollonian.inx
@@ -5,15 +5,12 @@
    <param name="active_tab" type="notebook">
       <page name="title" gui-text="Settings">
          <param name="depth" type="int" min="2" max="7" gui-text="Depth">3</param>
-         <param name="curvatures" type="description" xml:space="preserve">------------------------------</param>
          <param name="c1" type="float" min="0.1" max="10.0" precision="2" gui-text="c1">2.0</param>
          <param name="c2" type="float" min="0.1" max="10.0" precision="2" gui-text="c2">3.0</param>
          <param name="c3" type="float" min="0.1" max="10.0" precision="2" gui-text="c3">3.0</param>
-         <param name="help" type="description" xml:space="preserve">------------------------------</param>
          <param name="shrink" type="bool" gui-text="shrink circles for cutting">true</param>
       </page>
       <page name="Usage1" gui-text="Usage">
-         <!-- space:preserve read for neat layout -->
          <param name="use1" type="description" xml:space="preserve">
 		Make an apollonian gasket:
 		
@@ -25,11 +22,6 @@
 		for details of construction.
 		 </param>
       </page>
-      <page name="Usage2" gui-text="Help">
-         <param name="use2" type="description" xml:space="preserve">
-			No help needed.
-		 </param>
-      </page>
    </param>
    <effect>
       <object-type>all</object-type>
diff --git a/extensions/fablabchemnitz_apollonian.py b/extensions/fablabchemnitz_apollonian.py
index e7bc1200..ebdb80b1 100644
--- a/extensions/fablabchemnitz_apollonian.py
+++ b/extensions/fablabchemnitz_apollonian.py
@@ -6,8 +6,6 @@ from lxml import etree
 
 __version__ = '0.0'
 
-inkex.localization.localize()
-
 def cplxs2pts(zs):
     tt = []
     for z in zs:
@@ -94,5 +92,4 @@ class Gasket(inkex.Effect): # choose a better name
             cx, cy, r  = scale_factor*cx , scale_factor*cy, scale_factor*r
             draw_SVG_circle(topgroup,r,cx,cy,'apo')          
                          
-if __name__ == '__main__':
-    Gasket().run()
\ No newline at end of file
+Gasket().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_attributes_cleaner.inx b/extensions/fablabchemnitz_attributes_cleaner.inx
index a6ec1ace..7b07d00a 100644
--- a/extensions/fablabchemnitz_attributes_cleaner.inx
+++ b/extensions/fablabchemnitz_attributes_cleaner.inx
@@ -9,7 +9,9 @@
 	<effect>
 		<object-type>all</object-type>
 		<effects-menu>
-			<submenu name="Attributes"/>
+			<submenu name="FabLab Chemnitz">
+				<submenu name="Various"/>
+			</submenu>
 		</effects-menu>
 	</effect>
 	<script>
diff --git a/extensions/fablabchemnitz_attributes_editor.inx b/extensions/fablabchemnitz_attributes_editor.inx
index 0fce802c..6ee59daf 100644
--- a/extensions/fablabchemnitz_attributes_editor.inx
+++ b/extensions/fablabchemnitz_attributes_editor.inx
@@ -16,7 +16,9 @@
 	<effect>
 		<object-type>all</object-type>
 		<effects-menu>
-			<submenu name="Attributes" />
+			<submenu name="FabLab Chemnitz">
+				<submenu name="Various"/>
+			</submenu>
 		</effects-menu>
 	</effect>
 	<script>
diff --git a/extensions/fablabchemnitz_attributes_editor.py b/extensions/fablabchemnitz_attributes_editor.py
index c868bec3..0798aea2 100644
--- a/extensions/fablabchemnitz_attributes_editor.py
+++ b/extensions/fablabchemnitz_attributes_editor.py
@@ -32,7 +32,6 @@ class AttribEditor(inkex.Effect):
 				if self.options.attributeName in el.attrib:
 					del el.attrib[self.options.attributeName]
 			else:
-				inkex.errormsg(_("Invalid mode: " + self.options.mode))
+				inkex.errormsg("Invalid mode: " + self.options.mode)
 
-if __name__ == "__main__":
-	AttribEditor().run()
\ No newline at end of file
+AttribEditor().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_attributes_import.inx b/extensions/fablabchemnitz_attributes_import.inx
index 03dfffb1..be81f5a7 100644
--- a/extensions/fablabchemnitz_attributes_import.inx
+++ b/extensions/fablabchemnitz_attributes_import.inx
@@ -9,7 +9,9 @@
 	<effect>
 		<object-type>all</object-type>
 		<effects-menu>
-			<submenu name="Attributes" />
+			<submenu name="FabLab Chemnitz">
+				<submenu name="Various"/>
+			</submenu>
 		</effects-menu>
 	</effect>
 	<script>
diff --git a/extensions/fablabchemnitz_bouwkamp_code.py b/extensions/fablabchemnitz_bouwkamp_code.py
index e2253e0b..a95bc91f 100644
--- a/extensions/fablabchemnitz_bouwkamp_code.py
+++ b/extensions/fablabchemnitz_bouwkamp_code.py
@@ -73,7 +73,7 @@ class BouwkampCodeExtension(inkex.Effect):
         try:
             self.exception_on_invalid_bouwkamp_code(bouwkamp_code)
         except ValueError as exception:
-            inkex.errormsg(_(str(exception)))
+            inkex.errormsg(str(exception))
             return
 
         # draw the bouwkamp code
@@ -137,10 +137,6 @@ class BouwkampCodeExtension(inkex.Effect):
                 helper[i+j] += code[rectangle]
 
     def draw_rectangle(self, position, dimension, parent, center):
-        """
-        Draws a rectangle with the specified parameters.
-        """
-
         rectangle_style = {
             'opacity': '1',
             'stroke': '#000000',
@@ -164,5 +160,4 @@ class BouwkampCodeExtension(inkex.Effect):
 
         etree.SubElement(parent, inkex.addNS('rect', 'svg'), rectangle_attributes)
 
-if __name__ == '__main__':
-    BouwkampCodeExtension().run()
\ No newline at end of file
+BouwkampCodeExtension().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_boxmaker.inx b/extensions/fablabchemnitz_boxmaker.inx
index 8662750b..786cfd30 100644
--- a/extensions/fablabchemnitz_boxmaker.inx
+++ b/extensions/fablabchemnitz_boxmaker.inx
@@ -74,7 +74,7 @@
          <param name="spacing" type="float" precision="2" min="0.0" max="10000.0" gui-text="    Space Between Parts">1.0</param>
       </vbox>
    </hbox>
-   <effect needs-live-preview="false">
+   <effect needs-live-preview="true">
       <object-type>path</object-type>
       <effects-menu>
          <submenu name="FabLab Chemnitz">
diff --git a/extensions/fablabchemnitz_boxmaker.py b/extensions/fablabchemnitz_boxmaker.py
index 78440c79..9c940080 100644
--- a/extensions/fablabchemnitz_boxmaker.py
+++ b/extensions/fablabchemnitz_boxmaker.py
@@ -52,10 +52,8 @@ __version__ = "0.99" ### please report bugs, suggestions etc at https://github.c
 
 import os
 import inkex
-import gettext
 import math
 from copy import deepcopy
-_ = gettext.gettext
 
 linethickness = 1 # default unless overridden by settings
 
@@ -372,31 +370,31 @@ class BoxMaker(inkex.Effect):
     error=0
     
     if min(X,Y,Z)==0:
-      inkex.errormsg(_('Error: Dimensions must be non zero'))
+      inkex.errormsg('Error: Dimensions must be non zero')
       error=1
     if max(X,Y,Z)>max(widthDoc,heightDoc)*10: # crude test
-      inkex.errormsg(_('Error: Dimensions Too Large'))
+      inkex.errormsg('Error: Dimensions Too Large')
       error=1
     if min(X,Y,Z)<3*nomTab:
-      inkex.errormsg(_('Error: Tab size too large'))
+      inkex.errormsg('Error: Tab size too large')
       error=1
     if nomTab<thickness:
-      inkex.errormsg(_('Error: Tab size too small'))
+      inkex.errormsg('Error: Tab size too small')
       error=1     
     if thickness==0:
-      inkex.errormsg(_('Error: Thickness is zero'))
+      inkex.errormsg('Error: Thickness is zero')
       error=1     
     if thickness>min(X,Y,Z)/3: # crude test
-      inkex.errormsg(_('Error: Material too thick'))
+      inkex.errormsg('Error: Material too thick')
       error=1     
     if correction>min(X,Y,Z)/3: # crude test
-      inkex.errormsg(_('Error: Kerf/Clearence too large'))
+      inkex.errormsg('Error: Kerf/Clearence too large')
       error=1     
     if spacing>max(X,Y,Z)*10: # crude test
-      inkex.errormsg(_('Error: Spacing too large'))
+      inkex.errormsg('Error: Spacing too large')
       error=1     
     if spacing<kerf:
-      inkex.errormsg(_('Error: Spacing too small'))
+      inkex.errormsg('Error: Spacing too small')
       error=1     
 
     if error: exit()
@@ -638,5 +636,4 @@ class BoxMaker(inkex.Effect):
           side(group,(x+dx,y+dy),(-b,-c),(d,-c),keydivwalls*ctabs*(thickness if c else -thickness),dx,(-1,0),c,1,0,0) # side c
           side(group,(x,y+dy),(d,-c),(d,a),keydivfloor*dtabs*(-thickness if d else thickness),dy,(0,-1),d,1,0,0)      # side d
 
-# Create effect instance and apply it.
 BoxMaker().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_can_generator.py b/extensions/fablabchemnitz_can_generator.py
index 73cc5ca3..fe045a06 100644
--- a/extensions/fablabchemnitz_can_generator.py
+++ b/extensions/fablabchemnitz_can_generator.py
@@ -17,8 +17,6 @@ from math import *
 
 __version__ = '0.2'
 
-inkex.localization.localize
-
 def points_to_svgd(p, close = True):
     """ convert list of points (x,y) pairs
         into a closed SVG path list
@@ -263,9 +261,7 @@ class Dose(inkex.Effect):
             
             self.einschnitte_schreiben()
             del self.einschnitt_punkte[:]
-        
-        
-        
+             
     def einschnitte_schreiben(self):
         ###Schreibt die Einschnitte in die Seite
          
@@ -371,6 +367,4 @@ class Dose(inkex.Effect):
         branding_line = etree.SubElement(textgroup, inkex.addNS('text','svg'), einschnitt_line_attribs)
         branding_line.text = 'Die Einschnitte nur zu 70 Prozent in das Material lasern'
         
-        
-if __name__ == '__main__':
-    Dose().run()
\ No newline at end of file
+Dose().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_chain_paths.py b/extensions/fablabchemnitz_chain_paths.py
index 3fd3591e..c8c751cf 100644
--- a/extensions/fablabchemnitz_chain_paths.py
+++ b/extensions/fablabchemnitz_chain_paths.py
@@ -33,14 +33,12 @@ import math
 import re
 import inkex
 from inkex.paths import CubicSuperPath, Path
-inkex.localization.localize()
 from optparse import SUPPRESS_HELP
 debug = False
 
 class ChainPaths(inkex.Effect):
 
   def __init__(self):
-    # Call the base class constructor.
     inkex.Effect.__init__(self)
 
     # For handling an SVG viewbox attribute, we will need to know the
@@ -140,14 +138,14 @@ class ChainPaths(inkex.Effect):
     self.eps_sq = self.chain_epsilon * self.unit_factor * self.chain_epsilon * self.unit_factor
 
     if not len(self.svg.selected.items()):
-      inkex.errormsg(_("Please select one or more objects."))
+      inkex.errormsg("Please select one or more objects.")
       return
 
     segments = []
     for id in self.svg.selected:
       node = self.svg.selected[id]
       if node.tag != inkex.addNS('path', 'svg'):
-        inkex.errormsg(_("Object " + id + " is not a path. Try\n  - Path->Object to Path\n  - Object->Ungroup"))
+        inkex.errormsg("Object " + id + " is not a path. Try\n  - Path->Object to Path\n  - Object->Ungroup")
         return
       if debug: inkex.utils.debug("id=" + str(id) + ", tag=" + str(node.tag))
       path_d = CubicSuperPath(Path(node.get('d')))
@@ -281,5 +279,4 @@ class ChainPaths(inkex.Effect):
       if debug: inkex.utils.debug("min_missed_distance: "+str(math.sqrt(float(self.min_missed_distance_sq))/self.unit_factor)+'>'+str(self.chain_epsilon)+str(self.options.units))
     if debug: inkex.utils.debug("Successful link operations: "+str(self.chained_count))
 
-if __name__ == '__main__':
-    ChainPaths().run()
\ No newline at end of file
+ChainPaths().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_dots2pathpoints.py b/extensions/fablabchemnitz_dots2pathpoints.py
index 17770641..aa0a06dd 100644
--- a/extensions/fablabchemnitz_dots2pathpoints.py
+++ b/extensions/fablabchemnitz_dots2pathpoints.py
@@ -33,7 +33,7 @@ class Pathpoints2Dots(inkex.Effect):
     
     def effect(self):
         if len(self.svg.selected) != 2:
-            errormsg(_("Please select exact two objects:\n1. object representing path,\n2. object representing dots."))
+            errormsg("Please select exact two objects:\n1. object representing path,\n2. object representing dots.")
             return
     
         dot = self.svg.selected[0]
@@ -72,5 +72,4 @@ class Pathpoints2Dots(inkex.Effect):
             clone.set('y',point.y-bb.center.y)
             group.add(clone)
         
-if __name__ == '__main__':
-    Pathpoints2Dots().run()
\ No newline at end of file
+Pathpoints2Dots().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_endurance_line_shading.py b/extensions/fablabchemnitz_endurance_line_shading.py
index baf4d9bc..08f92b03 100644
--- a/extensions/fablabchemnitz_endurance_line_shading.py
+++ b/extensions/fablabchemnitz_endurance_line_shading.py
@@ -313,7 +313,6 @@ class LineShading(inkex.Effect):
             node.getparent().remove(node)
           return
       if not image_selected_flag:
-        inkex.errormsg(_("Please select an image"))
+        inkex.errormsg("Please select an image")
 
-# Create effect instance and apply it.
 LineShading().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_exponential_distort.py b/extensions/fablabchemnitz_exponential_distort.py
index fe29eebe..c1898df3 100644
--- a/extensions/fablabchemnitz_exponential_distort.py
+++ b/extensions/fablabchemnitz_exponential_distort.py
@@ -5,7 +5,6 @@ import sys
 import math
 import inkex
 from inkex.paths import CubicSuperPath
-inkex.localization.localize
 
 class TransformExponential(inkex.Effect):
     def __init__(self):
@@ -85,8 +84,8 @@ class TransformExponential(inkex.Effect):
     def effect(self):
 
         if len(self.svg.selected) == 0:
-            inkex.errormsg(_("Please select an object to perform the " +
-                             "exponential-distort transformation on."))
+            inkex.errormsg("Please select an object to perform the " +
+                             "exponential-distort transformation on.")
             return
 
         for id, node in self.svg.selected.items():
@@ -105,5 +104,4 @@ class TransformExponential(inkex.Effect):
 
                 node.set('d', str(pts))
 
-if __name__ == '__main__':
-        TransformExponential().run()
\ No newline at end of file
+TransformExponential().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_fibonaccipattern.py b/extensions/fablabchemnitz_fibonaccipattern.py
index 53cf3c75..08db7590 100644
--- a/extensions/fablabchemnitz_fibonaccipattern.py
+++ b/extensions/fablabchemnitz_fibonaccipattern.py
@@ -20,8 +20,6 @@ import math
 import inkex
 from lxml import etree
 
-inkex.localization.localize
-
 # This is basically the draw method from the help guides for inkscape
 def draw_SVG_ellipse(rx, ry, cx, cy, parent, start_end=(0,2*math.pi),transform='' ):
 
@@ -84,6 +82,4 @@ class FibonacciSpiral(inkex.Effect):
 				self.options.SpreadFactor,
 				self.svg.get_current_layer())
 			
-if __name__ == '__main__':
-    e = FibonacciSpiral()
-    e.run()
\ No newline at end of file
+FibonacciSpiral().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_gridstrip_creator.py b/extensions/fablabchemnitz_gridstrip_creator.py
index d922b92f..4bd6547b 100644
--- a/extensions/fablabchemnitz_gridstrip_creator.py
+++ b/extensions/fablabchemnitz_gridstrip_creator.py
@@ -22,29 +22,16 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
 
-# Making an .INX file : http://wiki.inkscape.org/wiki/index.php/MakingAnINX
-# see also http://codespeak.net/lxml/dev/tutorial.html#namespaces for XML namespaces manipulation
- 
-
-# These two lines are only needed if you don't put the script directly into the installation directory
 import inkex
 from xml.etree import ElementTree as ET
 from lxml import etree
-import gettext
-_ = gettext.gettext
 
 def printDebug(string):
-	inkex.errormsg(_(string))
+	inkex.errormsg(string)
 	
 class GridStrip_Creator(inkex.Effect):
 	def __init__(self):
 		inkex.Effect.__init__(self)
-		"""
-		Constructor.
-		Defines options of the script.
-		"""
-		# Call the base class constructor.
-		inkex.Effect.__init__(self)
 
 		self.arg_parser.add_argument('--length', type = float, default = 230.0, help = 'Length of strip')
 		self.arg_parser.add_argument('--width', type = float, default = 20.0, help = 'Width of strip')
@@ -105,7 +92,6 @@ class GridStrip_Creator(inkex.Effect):
 			notchxcorner=False
 			notchycorner=False
 		
-		
 		linewidth=self.svg.unittouu(str(0.2)+uunits)
 
 		distx=(striplength-cellnumx*cellwidth)/2	
@@ -118,35 +104,6 @@ class GridStrip_Creator(inkex.Effect):
 		width  = float(self.svg.unittouu(svg.attrib['width']))
 		height = float(self.svg.unittouu(svg.attrib['height']))
 
-		# maxlength=max(width,height)
-		# if striplength > maxlength:
-			# factor=striplength/maxlength+1
-
-		# inkex.utils.debug("document width="+str(self.uutounit(width,uunits)))
-		# inkex.utils.debug("document height="+str(self.uutounit(height,uunits)))
-		
-		# inkex.utils.debug("strip length="+str(self.uutounit(striplength,uunits)))
-		# inkex.utils.debug("strip width="+str(self.uutounit(stripwidth,uunits)))
-
-		# inkex.utils.debug("cell width="+str(self.uutounit(cellwidth,uunits)))
-		# inkex.utils.debug("cell height="+str(self.uutounit(cellheight,uunits)))
-
-		# inkex.utils.debug("Number of cells horizontal="+str(cellnumx))
-		# inkex.utils.debug("Number of cells vertical  ="+str(cellnumy))
-				
-		# inkex.utils.debug("Depth of extra notch="+str(self.uutounit(notchdepth,uunits)))
-		# inkex.utils.debug("Width of extra notch="+str(self.uutounit(notchwidth,uunits)))
-
-		# inkex.utils.debug("Depth of notch for grid="+str(self.uutounit(notchdepth,uunits)))
-		# inkex.utils.debug("Width of notch for grid="+str(self.uutounit(notchwidth,uunits)))
-
-		# inkex.utils.debug("distx="+str(self.uutounit(distx,uunits)))
-		# inkex.utils.debug("disty="+str(self.uutounit(disty,uunits)))
-
-		# inkex.utils.debug("celldistx="+str(self.uutounit(celldistx,uunits)))
-		# inkex.utils.debug("celldisty="+str(self.uutounit(celldisty,uunits)))
-		
-		
 		parent = self.svg.get_current_layer()
 		layername=''
 		if notchhorizontal:
@@ -385,5 +342,4 @@ class GridStrip_Creator(inkex.Effect):
 								'd':pathstring}
 			etree.SubElement(grp, inkex.addNS('path','svg'), strip_attribs )
 				
-if __name__ == '__main__':
-    GridStrip_Creator().run()
\ No newline at end of file
+GridStrip_Creator().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_inkcut.py b/extensions/fablabchemnitz_inkcut.py
index 1002ac90..3e24bd83 100644
--- a/extensions/fablabchemnitz_inkcut.py
+++ b/extensions/fablabchemnitz_inkcut.py
@@ -49,7 +49,7 @@ def convert_objects_to_paths(file, document):
     (out, err) = p.communicate()
 
     if p.returncode != 0:
-        inkex.errormsg(_("Failed to convert objects to paths. Continued without converting."))
+        inkex.errormsg("Failed to convert objects to paths. Continued without converting.")
         inkex.errormsg(out)
         inkex.errormsg(err)
         return document.getroot()
diff --git a/extensions/fablabchemnitz_inkcut_cut.py b/extensions/fablabchemnitz_inkcut_cut.py
index 2f2dafea..83484bcd 100644
--- a/extensions/fablabchemnitz_inkcut_cut.py
+++ b/extensions/fablabchemnitz_inkcut_cut.py
@@ -24,7 +24,6 @@ import os
 import sys
 
 import inkex
-inkex.localization.localize()
 from lxml import etree
 import subprocess
 from fablabchemnitz_inkcut import contains_text, convert_objects_to_paths
@@ -76,5 +75,4 @@ class InkscapeInkcutPlugin(inkex.Effect):
         # https://bugs.python.org/issue26741.
         p.returncode = 0
 
-if __name__ == '__main__':
-    InkscapeInkcutPlugin().run()
\ No newline at end of file
+InkscapeInkcutPlugin().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_inkcut_open.py b/extensions/fablabchemnitz_inkcut_open.py
index 92df90e6..0266f5e1 100644
--- a/extensions/fablabchemnitz_inkcut_open.py
+++ b/extensions/fablabchemnitz_inkcut_open.py
@@ -49,7 +49,7 @@ def convert_objects_to_paths(file, document):
     (out, err) = p.communicate()
 
     if p.returncode != 0:
-        inkex.errormsg(_("Failed to convert objects to paths. Continued without converting."))
+        inkex.errormsg("Failed to convert objects to paths. Continued without converting.")
         inkex.errormsg(out)
         inkex.errormsg(err)
         return document.getroot()
diff --git a/extensions/fablabchemnitz_isometric_projection.py b/extensions/fablabchemnitz_isometric_projection.py
index 170877f7..24aa7e78 100644
--- a/extensions/fablabchemnitz_isometric_projection.py
+++ b/extensions/fablabchemnitz_isometric_projection.py
@@ -3,7 +3,6 @@
 import math
 import inkex
 from inkex import Transform
-inkex.localization.localize()
 
 class IsometricProjectionTools(inkex.Effect):
     """
@@ -125,8 +124,8 @@ class IsometricProjectionTools(inkex.Effect):
             conversion = "to_" + self.options.conversion
 
         if len(self.svg.selected) == 0:
-            inkex.errormsg(_("Please select an object to perform the " +
-                             "isometric projection transformation on."))
+            inkex.errormsg("Please select an object to perform the " +
+                             "isometric projection transformation on.")
             return
 
         # Default to the flat 2D to isometric top down view conversion if an
diff --git a/extensions/fablabchemnitz_jpegexport.py b/extensions/fablabchemnitz_jpegexport.py
index 7a5bf1ee..4411c230 100644
--- a/extensions/fablabchemnitz_jpegexport.py
+++ b/extensions/fablabchemnitz_jpegexport.py
@@ -186,5 +186,4 @@ class JPEGExport(inkex.Effect):
         else:
             return '/tmp/'
 
-if __name__=="__main__":
-    JPEGExport().run()
\ No newline at end of file
+JPEGExport().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_living_hinge2.py b/extensions/fablabchemnitz_living_hinge2.py
index bcbad55d..362bf45a 100644
--- a/extensions/fablabchemnitz_living_hinge2.py
+++ b/extensions/fablabchemnitz_living_hinge2.py
@@ -22,8 +22,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 '''
 __version__ = "0.8rb" 
 
-import inkex,gettext,math
-_ = gettext.gettext
+import inkex
+import math
 from lxml import etree
 import math
 
@@ -389,31 +389,31 @@ class LivingHinge(inkex.Effect):
         error=0
         
         if min(X,Y,Z)==0:
-            inkex.errormsg(_('Error: Dimensions must be non zero'))
+            inkex.errormsg('Error: Dimensions must be non zero')
             error=1
         if max(X,Y,Z)>max(widthDoc,heightDoc)*10: # crude test
-            inkex.errormsg(_('Error: Dimensions Too Large'))
+            inkex.errormsg('Error: Dimensions Too Large')
             error=1
         if min(X,Y,Z)<3*nomTab:
-            inkex.errormsg(_('Error: Tab size too large'))
+            inkex.errormsg('Error: Tab size too large')
             error=1
         if nomTab<thickness:
-            inkex.errormsg(_('Error: Tab size too small'))
+            inkex.errormsg('Error: Tab size too small')
             error=1
         if thickness==0:
-            inkex.errormsg(_('Error: Thickness is zero'))
+            inkex.errormsg('Error: Thickness is zero')
             error=1
         if thickness>min(X,Y,Z)/3: # crude test
-            inkex.errormsg(_('Error: Material too thick'))
+            inkex.errormsg('Error: Material too thick')
             error=1
         if correction>min(X,Y,Z)/3: # crude test
-            inkex.errormsg(_('Error: Kerf/Clearence too large'))
+            inkex.errormsg('Error: Kerf/Clearence too large')
             error=1
         if spacing>max(X,Y,Z)*10: # crude test
-            inkex.errormsg(_('Error: Spacing too large'))
+            inkex.errormsg('Error: Spacing too large')
             error=1
         if spacing<kerf: #if spacing is less then kerf, the laser cuts will overlap and blast meaningful material.
-            inkex.errormsg(_('Error: Spacing too small'))
+            inkex.errormsg('Error: Spacing too small')
             error=1
 
         if error: exit()
diff --git a/extensions/fablabchemnitz_lyz_export.py b/extensions/fablabchemnitz_lyz_export.py
index 40660bcf..d85bdf0c 100644
--- a/extensions/fablabchemnitz_lyz_export.py
+++ b/extensions/fablabchemnitz_lyz_export.py
@@ -29,13 +29,13 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 '''
-# standard library
+
 import math
 import tempfile, os, sys, shutil
 from subprocess import Popen, PIPE
 import zipfile
 import re
-# local library
+
 import fablabchemnitz_lyz_inkex           as inkex
 import fablabchemnitz_lyz_simplestyle     as simplestyle
 import fablabchemnitz_lyz_simpletransform as simpletransform
@@ -43,11 +43,6 @@ import fablabchemnitz_lyz_cubicsuperpath  as cubicsuperpath
 import fablabchemnitz_lyz_cspsubdiv       as cspsubdiv
 from fablabchemnitz_lyz_library       import LYZ_CLASS
 
-try:
-    inkex.localize()
-except:
-    pass
-
 ## Subprocess timout stuff ######
 from threading import Timer
 def run_external(cmd, timeout_sec):
@@ -61,7 +56,7 @@ def run_external(cmd, timeout_sec):
     timer.cancel()
 ##################################
     
-class MyEffect(inkex.Effect):
+class LYZExport(inkex.Effect):
     def __init__(self):
         inkex.Effect.__init__(self)
         self.flatness = 0.01
@@ -273,7 +268,7 @@ class MyEffect(inkex.Effect):
                     rx = max(rx,ry)
                     ry = rx
                 #msg = "rx = %f ry = %f " %(rx,ry)
-                #inkex.errormsg(_(msg))
+                #inkex.errormsg(msg)
                 L1 = "M %f,%f %f,%f "      %(x+rx       , y          , x+width-rx , y          )
                 C1 = "A %f,%f 0 0 1 %f,%f" %(rx         , ry         , x+width    , y+ry       )
                 L2 = "M %f,%f %f,%f "      %(x+width    , y+ry       , x+width    , y+height-ry)
@@ -419,7 +414,7 @@ class MyEffect(inkex.Effect):
             with open(png_temp_file, 'rb') as f:
                 self.PNG_DATA = f.read()
         except:
-            inkex.errormsg(_("PNG generation timed out.\nTry saving again.\n\n"))
+            inkex.errormsg("PNG generation timed out.\nTry saving again.\n\n")
             
         #Delete the temp folder and any files
         shutil.rmtree(tmp_dir)   
@@ -446,12 +441,12 @@ class MyEffect(inkex.Effect):
         if p:
             retval = float(p.string[p.start():p.end()])
         else:
-            inkex.errormsg(_("Size was not determined returning zero value"))
+            inkex.errormsg("Size was not determined returning zero value")
             retval = 0.0
         if u:
             retunit = u.string[u.start():u.end()]
         else:
-            inkex.errormsg(_("units not understood assuming px  at %d dpi" %(self.inkscape_dpi)))
+            inkex.errormsg("units not understood assuming px  at %d dpi" %(self.inkscape_dpi))
             retunit = 'px'
             
         try:
@@ -504,7 +499,7 @@ class MyEffect(inkex.Effect):
             Dx = float(view_box_list[0]) / ( float(view_box_list[2])/w_mm )
             Dy = float(view_box_list[1]) / ( float(view_box_list[3])/h_mm )
         except:
-            #inkex.errormsg(_("Using Default Inkscape Scale"))
+            #inkex.errormsg("Using Default Inkscape Scale")
             scale = 25.4/self.inkscape_dpi
             Dx = 0
             Dy = 0
@@ -533,7 +528,7 @@ class MyEffect(inkex.Effect):
         # msg = msg + "h_uu   = %f\n" %(h_uu)
         # msg = msg + "w_uu   = %f\n" %(w_uu)
 
-        #inkex.errormsg(_(msg))
+        #inkex.errormsg(msg)
         
         if (area_select=="object_area"):
             self.png_area = "--export-area-drawing" 
@@ -573,5 +568,4 @@ class MyEffect(inkex.Effect):
            (self.cut_select=="zip"   ):
             self.Make_PNG()
         
-if __name__ == '__main__':
-    MyEffect().affect()
\ No newline at end of file
+LYZExport().affect()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_lyz_inkex.py b/extensions/fablabchemnitz_lyz_inkex.py
index 80766fdf..7fb4c821 100644
--- a/extensions/fablabchemnitz_lyz_inkex.py
+++ b/extensions/fablabchemnitz_lyz_inkex.py
@@ -96,7 +96,7 @@ def errormsg(msg):
 
          import inkex
          ...
-         inkex.errormsg(_("This extension requires two selected paths."))
+         inkex.errormsg("This extension requires two selected paths.")
     """
     #if isinstance(msg, unicode):
     #    sys.stderr.write(msg.encode("utf-8") + "\n")
@@ -164,7 +164,7 @@ class Effect:
             try:
                 stream = open(filename, 'r')
             except IOError:
-                errormsg(_("Unable to open specified file: %s") % filename)
+                errormsg("Unable to open specified file: %s" % filename)
                 sys.exit()
 
         # If it wasn't specified, try to open the file specified as
@@ -173,7 +173,7 @@ class Effect:
             try:
                 stream = open(self.svg_file, 'r')
             except IOError:
-                errormsg(_("Unable to open object member file: %s") % self.svg_file)
+                errormsg("Unable to open object member file: %s" % self.svg_file)
                 sys.exit()
 
         # Finally, if the filename was not specified anywhere, use
@@ -283,7 +283,7 @@ class Effect:
         try:
             retval = self.document.xpath(path, namespaces=NSS)[0]
         except:
-            errormsg(_("No matching node for expression: %s") % path)
+            errormsg("No matching node for expression: %s" % path)
             retval = None
         return retval
 
@@ -342,7 +342,7 @@ class Effect:
             if p:
                 width = float(p.string[p.start():p.end()])
             else:
-                errormsg(_("SVG Width not set correctly! Assuming width = 100"))
+                errormsg("SVG Width not set correctly! Assuming width = 100")
             if u:
                 svgwidthunit = u.string[u.start():u.end()]
 
diff --git a/extensions/fablabchemnitz_next_gen.py b/extensions/fablabchemnitz_next_gen.py
index 06177435..4030e3af 100644
--- a/extensions/fablabchemnitz_next_gen.py
+++ b/extensions/fablabchemnitz_next_gen.py
@@ -81,7 +81,7 @@ class NextGenerator(inkex.base.TempDirMixin, inkex.base.InkscapeExtension):
                         # replace any attributes and other SVG content by the values from the CSV file
                         self.new_doc = self.new_doc.replace(svg_cont, row[key])
                     else:
-                        inkex.errormsg(_("The replacements in the generated images may be incomplete. Please check your entry '{key}' in the field for the non-text values.").format(key=key))
+                        inkex.errormsg("The replacements in the generated images may be incomplete. Please check your entry '{key}' in the field for the non-text values.").format(key=key)
                 if self.export(export_base_name) != True:
                     return
 
@@ -92,7 +92,7 @@ class NextGenerator(inkex.base.TempDirMixin, inkex.base.InkscapeExtension):
         if os.path.exists(self.options.output_folder):
             export_file_path = os.path.join(self.options.output_folder, export_file_name)
         else:
-            inkex.errormsg(_("The selected output folder does not exist."))
+            inkex.errormsg("The selected output folder does not exist.")
             return False
 
 
diff --git a/extensions/fablabchemnitz_paste_length.py b/extensions/fablabchemnitz_paste_length.py
index 4b2da0e2..f447c577 100644
--- a/extensions/fablabchemnitz_paste_length.py
+++ b/extensions/fablabchemnitz_paste_length.py
@@ -107,8 +107,8 @@ class PasteLengthEffect(inkex.Effect):
                 scaleFrom = scaleFrom)
                 selections[key].set('d', CubicSuperPath(cspath))
         else:
-            inkex.errormsg(_("Please select at least two paths, with the path whose \
+            inkex.errormsg("Please select at least two paths, with the path whose \
             length is to be copied at the top. You may have to convert the shape \
-            to path with path->Object to Path."))
+            to path with path->Object to Path.")
 
 PasteLengthEffect().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_paths2openscad.py b/extensions/fablabchemnitz_paths2openscad.py
index 80707dcd..295e6bbb 100644
--- a/extensions/fablabchemnitz_paths2openscad.py
+++ b/extensions/fablabchemnitz_paths2openscad.py
@@ -117,7 +117,6 @@ import os
 import sys
 import os.path
 import inkex
-import inkex.localization
 import inkex.paths
 import inkex.bezier
 from inkex.transforms import Transform
@@ -1483,6 +1482,4 @@ module chamfer_sphere(rad=chamfer, res=chamfer_fn)
                     inkex.errmsg("STDERR: {}".format(stderr))
                     inkex.errormsg("= " * 24)
 
-
-if __name__ == "__main__":
-    OpenSCAD().run()
\ No newline at end of file
+OpenSCAD().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_realscale.py b/extensions/fablabchemnitz_realscale.py
index 527edd93..3c77f8fc 100644
--- a/extensions/fablabchemnitz_realscale.py
+++ b/extensions/fablabchemnitz_realscale.py
@@ -22,8 +22,6 @@ from inkex import Transform
 from inkex.paths import CubicSuperPath
 from lxml import etree
 
-inkex.localization.localize
-
 ### Scale Ruler
 # inches = [1, 2, 4, 8, 16, 24, 32, 48, 64, 96, 128]
 # metric = [1,2,5,10,20,50,100,200,250,500,1000,1250,2500]
@@ -169,7 +167,7 @@ class Realscale(inkex.Effect):
 
     def effect(self):
         if len(self.options.ids) != 2:
-            inkex.errormsg(_("This extension requires two selected objects. The first selected object must be the straight line with two nodes."))
+            inkex.errormsg("This extension requires two selected objects. The first selected object must be the straight line with two nodes.")
             exit()
 
         # drawing that will be scaled is selected second, must be a single object
@@ -177,7 +175,7 @@ class Realscale(inkex.Effect):
         drawing = self.svg.selected[self.options.ids[1]]
 
         if scalepath.tag != inkex.addNS('path','svg'):
-            inkex.errormsg(_("The first selected object is not a path.\nPlease select a straight line with two nodes instead."))
+            inkex.errormsg("The first selected object is not a path.\nPlease select a straight line with two nodes instead.")
             exit()
 
         # apply its transforms to the scaling path, so we get the correct coordinates to calculate path length
@@ -185,7 +183,7 @@ class Realscale(inkex.Effect):
         
         path = CubicSuperPath(scalepath.get('d'))
         if len(path) < 1 or len(path[0]) < 2:
-            inkex.errormsg(_("This extension requires that the first selected path be two nodes long."))
+            inkex.errormsg("This extension requires that the first selected path be two nodes long.")
             exit()
 
         # calculate path length
diff --git a/extensions/fablabchemnitz_split_bezier.py b/extensions/fablabchemnitz_split_bezier.py
index 90f50c0c..035c1718 100644
--- a/extensions/fablabchemnitz_split_bezier.py
+++ b/extensions/fablabchemnitz_split_bezier.py
@@ -82,7 +82,7 @@ class SubdividePathEffect(inkex.Effect):
         if(self.options.unit != 'perc' and self.options.unit != 'count'):
             maxL = self.options.maxLength * self.svg.unittouu('1'+self.options.unit)
             
-        # ~ inkex.errormsg(_(str(maxL)))
+        # ~ inkex.errormsg(str(maxL))
         tolerance = 10 ** (-1 * self.options.precision)
         
         selections = self.svg.selected        
diff --git a/extensions/fablabchemnitz_tangent.py b/extensions/fablabchemnitz_tangent.py
index 61218fa6..db324df5 100644
--- a/extensions/fablabchemnitz_tangent.py
+++ b/extensions/fablabchemnitz_tangent.py
@@ -35,8 +35,6 @@ from inkex.paths import Path
 from inkex import Transform
 from math import *
 from lxml import etree
-import gettext
-_ = gettext.gettext
 
 def poltocar(r, rad, negx=False, negy=False):
     # converts polar coords to cartesian
@@ -108,7 +106,7 @@ def getPathData(obj):
 
 
 def stockErrorMsg(bygtrac):
-    inkex.errormsg(_("Please select exactly two circles and try again! %s" % bygtrac))
+    inkex.errormsg("Please select exactly two circles and try again! %s" % bygtrac)
     exit()
 
 class Tangent(inkex.Effect):
@@ -218,5 +216,4 @@ class Tangent(inkex.Effect):
                             'd':'m '+str(llx1+conversionBottom[0])+','+str(lly1+conversionBottom[1])+' l '+str(ll2x2)+','+str(ll2y2)}
             etree.SubElement(parent, inkex.addNS('path','svg'), attribsLine1 )
 
-if __name__ == '__main__':
-    Tangent().run()
\ No newline at end of file
+Tangent().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_tool_covers.py b/extensions/fablabchemnitz_tool_covers.py
index b7876acb..ce1a5bb9 100644
--- a/extensions/fablabchemnitz_tool_covers.py
+++ b/extensions/fablabchemnitz_tool_covers.py
@@ -5,8 +5,6 @@
 import inkex
 from lxml import etree
 import math
-inkex.localization.localize
-
 
 class Point(object):
     def __init__(self, x, y):
@@ -30,9 +28,9 @@ class Point(object):
 
 class Vpoint(Point):
     '''
-    (x, y)座標と方向(rad)を持つ点
+    A point with (x, y) coordinates and direction (rad)
 
-    rad: 方向(真上: 0, 右: math.pi / 2, ..)
+    rad: Direction (true up: 0, right: math.pi / 2, ...)
     '''
     def __init__(self, x, y, rad=0):
         super(Vpoint, self).__init__(x, y)
@@ -221,11 +219,11 @@ class Part1(object):
         self.needle_tf = needle_tf
         self.needle_corner_rotation = needle_corner_rotation
 
-        # グループ作成
+        # Group Creation
         attr = {inkex.addNS('label', 'inkscape'): 'Part1'}
         self.g = etree.SubElement(self.parent, 'g', attr)
 
-        # 図形作成
+        # drawing
         self.points_outline = self.create_points_outline()
         self.svg_outline = SvgPart1Outline(self.g, self.points_outline,
                                            (self.bw * self.bf))
@@ -241,9 +239,8 @@ class Part1(object):
             self.svgs_needle_hole.append((svg_nh, v))
 
     def create_points_outline(self):
-        '''
-        外枠の座標を生成
-        '''
+        #Generate the coordinates of the outer frame
+
         points = []
         (x0, y0) = (-(self.w2 / 2), 0)
 
@@ -294,7 +291,7 @@ class Part1(object):
         a2 = self.d1 / math.tan(rad2a)
 
         #
-        # 頂点
+        # summit
         #
         vpoints1 = []
         for i, p in enumerate(self.points_outline):
@@ -326,7 +323,7 @@ class Part1(object):
             if i > 5:
                 break
 
-        # 頂点を補完する点を生成
+        # Generate a point that completes a vertex
         vpoints2 = []
         for i in range(len(vpoints1)-1):
             d = vpoints1[i].distance(vpoints1[i+1])
@@ -338,9 +335,8 @@ class Part1(object):
         return vpoints2
 
     def split_vpoints(self, v1, v2, n):
-        '''
-        v1, v2間をn個に分割して、リストを生成
-        '''
+        #v1, v2 Generate a list by dividing the space between the two into n pieces
+
         if n == 0:
             return [v1]
         (dx, dy) = ((v2.x - v1.x) / n, (v2.y - v1.y) / n)
@@ -378,28 +374,25 @@ class Part2(object):
         self.part1 = part1
         self.dia2 = dia2
 
-        # グループ作成
+        # Group Creation
         attr = {inkex.addNS('label', 'inkscape'): 'Part2'}
         self.g = etree.SubElement(self.parent, 'g', attr)
 
-        # 外枠
-        #   ``Part1``の``points_outline``をミラーして、
-        #   最初の6つのポイントを利用
+        # outer frame > Mirroring the points_outline in Part1, and use the first six points.
         self.points_outline = []
         for i in range(6):
             self.points_outline.append(self.part1.points_outline[i].mirror())
 
         self.svg_outline = SvgPolygon(self.g, self.points_outline)
 
-        # 留め具
+        # clasp
         self.svg_hole = SvgCircle(self.g, self.dia2 / 2)
 
-        # 針穴
-        #   ``Part1``の``vpoints_needle``をミラーして利用
+        # pinhole -> Mirroring the vpoints_needle in Part1
         self.svgs_needle_hole = []
         for v in self.part1.vpoints_needle:
             v.mirror()
-            # ``SvgNeedleHole``もミラーする
+            # Mirror also SvgNeedleHole
             svg_nh = SvgNeedleHole(self.g,
                                    self.part1.needle_w,
                                    self.part1.needle_h,
@@ -473,7 +466,7 @@ class PliersCover(inkex.Effect):
         #
         origin_vpoint = Vpoint(self.DEF_OFFSET_X, self.DEF_OFFSET_Y)
 
-        # グループ作成
+        # Group Creation
         attr = {inkex.addNS('label', 'inkscape'): 'PliersCover'}
         self.g = etree.SubElement(self.svg.get_current_layer(), 'g', attr)
 
@@ -490,6 +483,4 @@ class PliersCover(inkex.Effect):
         part2 = Part2(self.g, part1, opt.dia2)
         part2.draw(origin_vpoint)
 
-
-if __name__ == '__main__':
-    PliersCover().run()
\ No newline at end of file
+PliersCover().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_travel.py b/extensions/fablabchemnitz_travel.py
index 57705fc5..94508f89 100644
--- a/extensions/fablabchemnitz_travel.py
+++ b/extensions/fablabchemnitz_travel.py
@@ -38,11 +38,8 @@ log10 = np.log10
 
 pi = np.pi
 
-
 __version__ = '0.1'
 
-inkex.localization.localize
-
 def split(l, sizes):
     """Split a list into sublists of specific sizes."""
     if not sum(sizes) == len(l):
@@ -273,5 +270,4 @@ class Travel(inkex.Effect):
                 attribs['d'] = str(Path(path))
                 obj_copy = etree.SubElement(group, obj.tag, attribs)
 
-if __name__ == '__main__':
-    Travel().run()
\ No newline at end of file
+Travel().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz_zoetrope.py b/extensions/fablabchemnitz_zoetrope.py
index 2807a2c7..95702858 100644
--- a/extensions/fablabchemnitz_zoetrope.py
+++ b/extensions/fablabchemnitz_zoetrope.py
@@ -11,16 +11,12 @@ Neon22 - github 2016
 MIT license
 '''
 
-import inkex       # Required
+import inkex
 from lxml import etree
-
 from math import cos, sin, radians, pi
 
 __version__ = '0.2'
 
-inkex.localization.localize
-
-### Helper functions
 def point_on_circle(radius, angle):
     " return xy coord of the point at distance radius from origin at angle "
     x = radius * cos(angle)
@@ -233,6 +229,4 @@ class Zoetrope(inkex.Effect):
             text = etree.SubElement(templategroup, 'text', text_atts)
             text.text = "At %d dpi. Image = %d x %d pixels" % (self.options.dpi, w, h)
 
-if __name__ == '__main__':
-    e = Zoetrope()
-    e.run()
\ No newline at end of file
+Zoetrope().run()
\ No newline at end of file