From 1a921db33cb28e1097eb9f6c86bfb1c0ed2ca34b Mon Sep 17 00:00:00 2001
From: Mario Voigt <mario.voigt@stadtfabrikanten.org>
Date: Sun, 4 Apr 2021 01:51:59 +0200
Subject: [PATCH] small updates

---
 extensions/fablabchemnitz/CardLayoutGuides.py    | 2 +-
 extensions/fablabchemnitz/affine_spirals.py      | 4 ++--
 extensions/fablabchemnitz/anotherperspective.py  | 2 +-
 extensions/fablabchemnitz/archimedesspiral.py    | 2 +-
 extensions/fablabchemnitz/attributes_cleaner.py  | 2 +-
 extensions/fablabchemnitz/attributes_editor.py   | 2 +-
 extensions/fablabchemnitz/attributes_import.py   | 2 +-
 extensions/fablabchemnitz/bezierenvelope.py      | 2 +-
 extensions/fablabchemnitz/blobs.py               | 2 +-
 extensions/fablabchemnitz/blueprint_maker.py     | 2 +-
 extensions/fablabchemnitz/boundingbox.py         | 2 +-
 extensions/fablabchemnitz/bouwkamp_code.py       | 2 +-
 extensions/fablabchemnitz/can_generator.py       | 2 +-
 extensions/fablabchemnitz/chain_paths.py         | 2 +-
 extensions/fablabchemnitz/checkerboard.py        | 2 +-
 extensions/fablabchemnitz/chipScratches.py       | 2 +-
 extensions/fablabchemnitz/cleanup.py             | 2 +-
 extensions/fablabchemnitz/clonesperspective.py   | 2 +-
 extensions/fablabchemnitz/close_paths.py         | 2 +-
 extensions/fablabchemnitz/color_alpha_replace.py | 2 +-
 extensions/fablabchemnitz/conic_box.py           | 2 +-
 extensions/fablabchemnitz/convert_polylines.py   | 2 +-
 extensions/fablabchemnitz/convexhull.py          | 2 +-
 extensions/fablabchemnitz/createtuckbox.py       | 2 +-
 extensions/fablabchemnitz/delete_above.py        | 2 +-
 extensions/fablabchemnitz/destructiveclip.py     | 2 +-
 extensions/fablabchemnitz/dimensioning.py        | 2 +-
 extensions/fablabchemnitz/distortion.py          | 2 +-
 extensions/fablabchemnitz/dots2pathpoints.py     | 2 +-
 extensions/fablabchemnitz/drawdirections.py      | 2 +-
 extensions/fablabchemnitz/eggbot_maze.py         | 2 +-
 extensions/fablabchemnitz/eggbot_sineandlace.py  | 2 +-
 extensions/fablabchemnitz/eggbot_twist.py        | 2 +-
 extensions/fablabchemnitz/ellipse_5pts.py        | 2 +-
 extensions/fablabchemnitz/elliptical_cone_box.py | 2 +-
 extensions/fablabchemnitz/eraser_layer.py        | 2 +-
 extensions/fablabchemnitz/exponential_distort.py | 2 +-
 extensions/fablabchemnitz/exportxy.py            | 2 +-
 extensions/fablabchemnitz/fibonaccipattern.py    | 2 +-
 extensions/fablabchemnitz/fill_circle.py         | 6 +++---
 extensions/fablabchemnitz/filletchamfer.py       | 2 +-
 extensions/fablabchemnitz/filter_layer.py        | 2 +-
 extensions/fablabchemnitz/flevobezier.py         | 2 +-
 extensions/fablabchemnitz/fretboard.py           | 2 +-
 extensions/fablabchemnitz/gears_dev.py           | 2 +-
 extensions/fablabchemnitz/globe.py               | 2 +-
 extensions/fablabchemnitz/grid_perspect2.py      | 2 +-
 extensions/fablabchemnitz/gridstrip_creator.py   | 2 +-
 extensions/fablabchemnitz/group_to_layer.py      | 2 +-
 49 files changed, 52 insertions(+), 52 deletions(-)

diff --git a/extensions/fablabchemnitz/CardLayoutGuides.py b/extensions/fablabchemnitz/CardLayoutGuides.py
index eb53189d..57da89ca 100644
--- a/extensions/fablabchemnitz/CardLayoutGuides.py
+++ b/extensions/fablabchemnitz/CardLayoutGuides.py
@@ -432,7 +432,7 @@ class LineGeneratorForHorizontalCards(LineGeneratorBase):
 
 		return lines
 
-class FoldedCardLayoutGuidesEffect(inkex.Effect):
+class FoldedCardLayoutGuidesEffect(inkex.EffectExtension):
 	def __init__(self):
 		inkex.Effect.__init__(self)
 
diff --git a/extensions/fablabchemnitz/affine_spirals.py b/extensions/fablabchemnitz/affine_spirals.py
index 46e996ca..97af4500 100644
--- a/extensions/fablabchemnitz/affine_spirals.py
+++ b/extensions/fablabchemnitz/affine_spirals.py
@@ -40,7 +40,7 @@ def pts2curve(cplxs):
     pth = [ '%.2f, %.2f '%z for z in data]
     return 'M '+ ''.join(pth) 
         
-class AffineTorus(inkex.Effect): # choose a better name
+class AffineSpirals(inkex.EffectExtension):
     
     def __init__(self):
         inkex.Effect.__init__(self)
@@ -96,4 +96,4 @@ class AffineTorus(inkex.Effect): # choose a better name
         etree.SubElement(topgroup, inkex.addNS('path','svg'), curve_attribs)
 
 if __name__ == '__main__':
-    AffineTorus().run()
\ No newline at end of file
+    AffineSpirals().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz/anotherperspective.py b/extensions/fablabchemnitz/anotherperspective.py
index b881e9e2..88a11ca4 100644
--- a/extensions/fablabchemnitz/anotherperspective.py
+++ b/extensions/fablabchemnitz/anotherperspective.py
@@ -239,7 +239,7 @@ def projection(path_object,coords):
 def complex2tulpe(complexNb):
     return (complexNb.real,complexNb.imag)
 '''
-class AnotherPerspective(inkex.Effect):
+class AnotherPerspective(inkex.EffectExtension):
 
     def __init__(self):
         inkex.Effect.__init__(self)
diff --git a/extensions/fablabchemnitz/archimedesspiral.py b/extensions/fablabchemnitz/archimedesspiral.py
index 7f925478..abd78e59 100644
--- a/extensions/fablabchemnitz/archimedesspiral.py
+++ b/extensions/fablabchemnitz/archimedesspiral.py
@@ -17,7 +17,7 @@ import inkex
 from lxml import etree
 from math import cos, sin, pi, log, sqrt
 
-class Archimedes(inkex.Effect):
+class Archimedes(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         self.arg_parser.add_argument('--r', type = int, default = '50')
diff --git a/extensions/fablabchemnitz/attributes_cleaner.py b/extensions/fablabchemnitz/attributes_cleaner.py
index b3f0de52..2f509d59 100644
--- a/extensions/fablabchemnitz/attributes_cleaner.py
+++ b/extensions/fablabchemnitz/attributes_cleaner.py
@@ -17,7 +17,7 @@ element.attrib.pop("{http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd}absref",
 import inkex
 import sys
 
-class AbsrefRemover(inkex.Effect):
+class AbsrefRemover(inkex.EffectExtension):
 	def __init__(self):
 		inkex.Effect.__init__(self)
 		self.arg_parser.add_argument("-a", "--removeAbsref", type=inkex.Boolean, default=True, help="Remove sodipodi:absref")
diff --git a/extensions/fablabchemnitz/attributes_editor.py b/extensions/fablabchemnitz/attributes_editor.py
index c4481ff2..e6653c5d 100644
--- a/extensions/fablabchemnitz/attributes_editor.py
+++ b/extensions/fablabchemnitz/attributes_editor.py
@@ -3,7 +3,7 @@
 import inkex
 import sys
 
-class AttribEditor(inkex.Effect):
+class AttribEditor(inkex.EffectExtension):
 	def __init__(self):
 		inkex.Effect.__init__(self)
 		self.arg_parser.add_argument("-a", "--attributeName", help="attribute name to set")
diff --git a/extensions/fablabchemnitz/attributes_import.py b/extensions/fablabchemnitz/attributes_import.py
index d2935696..d1e912ad 100644
--- a/extensions/fablabchemnitz/attributes_import.py
+++ b/extensions/fablabchemnitz/attributes_import.py
@@ -2,7 +2,7 @@
 
 import inkex
 
-class AttribImport(inkex.Effect):
+class AttribImport(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         self.arg_parser.add_argument("--data", default="", help="data file")
diff --git a/extensions/fablabchemnitz/bezierenvelope.py b/extensions/fablabchemnitz/bezierenvelope.py
index fc36a722..f35d152c 100644
--- a/extensions/fablabchemnitz/bezierenvelope.py
+++ b/extensions/fablabchemnitz/bezierenvelope.py
@@ -69,7 +69,7 @@ import sys
 import ffgeom
 
 
-class BezierEnvelope(inkex.Effect):
+class BezierEnvelope(inkex.EffectExtension):
 
     segmentTypes = ["move","line","quad","cubic","close"]
 
diff --git a/extensions/fablabchemnitz/blobs.py b/extensions/fablabchemnitz/blobs.py
index 7c64e3e3..5630b6e8 100644
--- a/extensions/fablabchemnitz/blobs.py
+++ b/extensions/fablabchemnitz/blobs.py
@@ -8,7 +8,7 @@ from simplestyle import *
 import random
 from lxml import etree
 
-class blobsEffect(inkex.Effect):
+class blobsEffect(inkex.EffectExtension):
     """
 Creates a random blob from a convex hull over n points.
 The expected degree of the polygon is sqrt(n).  The corners
diff --git a/extensions/fablabchemnitz/blueprint_maker.py b/extensions/fablabchemnitz/blueprint_maker.py
index a24a7e94..2480bcf8 100644
--- a/extensions/fablabchemnitz/blueprint_maker.py
+++ b/extensions/fablabchemnitz/blueprint_maker.py
@@ -56,7 +56,7 @@ class bluePrintMakerData():
 				self.allowed_ids.append(current_id)
 				self.allowed_nodes.append(node)
 
-class bluePrintMaker(inkex.Effect):
+class bluePrintMaker(inkex.EffectExtension):
 	
 	def __init__(self):
 		inkex.Effect.__init__(self)
diff --git a/extensions/fablabchemnitz/boundingbox.py b/extensions/fablabchemnitz/boundingbox.py
index ebd687b5..1ab7f124 100644
--- a/extensions/fablabchemnitz/boundingbox.py
+++ b/extensions/fablabchemnitz/boundingbox.py
@@ -4,7 +4,7 @@ import inkex
 import math
 from lxml import etree
 
-class DrawBBoxes(inkex.Effect):
+class DrawBBoxes(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         self.arg_parser.add_argument('--offset', type=float, default=0.0, help='Offset from object (all directions)')
diff --git a/extensions/fablabchemnitz/bouwkamp_code.py b/extensions/fablabchemnitz/bouwkamp_code.py
index 0fed41b3..5abf028b 100644
--- a/extensions/fablabchemnitz/bouwkamp_code.py
+++ b/extensions/fablabchemnitz/bouwkamp_code.py
@@ -38,7 +38,7 @@ import re
 import inkex
 from lxml import etree
 
-class BouwkampCodeExtension(inkex.Effect):
+class BouwkampCodeExtension(inkex.EffectExtension):
     """
     This Inkscape extension allows you to generate squared squares and squared rectangles from
     Bouwkamp codes and table codes.
diff --git a/extensions/fablabchemnitz/can_generator.py b/extensions/fablabchemnitz/can_generator.py
index 92ccc5ec..7845df5c 100644
--- a/extensions/fablabchemnitz/can_generator.py
+++ b/extensions/fablabchemnitz/can_generator.py
@@ -34,7 +34,7 @@ def punkte_erstellen(punkte, x, y):
     ###Schreibt die aktuellen Koordinaten in die Punkteliste
     punkte.append((x, y))
 
-class Dose(inkex.Effect): 
+class Dose(inkex.EffectExtension): 
     def __init__(self):
         inkex.Effect.__init__(self)
         self.arg_parser.add_argument("--height", type=int, default = 50, help="Höhe der Dose")
diff --git a/extensions/fablabchemnitz/chain_paths.py b/extensions/fablabchemnitz/chain_paths.py
index b1e16c52..fcfc3b50 100644
--- a/extensions/fablabchemnitz/chain_paths.py
+++ b/extensions/fablabchemnitz/chain_paths.py
@@ -36,7 +36,7 @@ from inkex.paths import CubicSuperPath, Path
 from optparse import SUPPRESS_HELP
 debug = False
 
-class ChainPaths(inkex.Effect):
+class ChainPaths(inkex.EffectExtension):
 
   def __init__(self):
     inkex.Effect.__init__(self)
diff --git a/extensions/fablabchemnitz/checkerboard.py b/extensions/fablabchemnitz/checkerboard.py
index 4996bcab..b19fa7c1 100644
--- a/extensions/fablabchemnitz/checkerboard.py
+++ b/extensions/fablabchemnitz/checkerboard.py
@@ -61,7 +61,7 @@ def draw_grid(x, y, rows, cols, size, color1, color2, parent):
             id_ = 'cell{0}x{1}'.format(col, row)
             draw_square(x + col * size, y + row * size, size, size, color, group, id_)
 	
-class Checkerboard(inkex.Effect):
+class Checkerboard(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         self.arg_parser.add_argument("--tab")
diff --git a/extensions/fablabchemnitz/chipScratches.py b/extensions/fablabchemnitz/chipScratches.py
index 2b14a5da..444e4075 100644
--- a/extensions/fablabchemnitz/chipScratches.py
+++ b/extensions/fablabchemnitz/chipScratches.py
@@ -75,7 +75,7 @@ global /inxGen/ =1 and run the file stand-alone.
 - AK Sept 2018
 """
 
-class noiseEffect(inkex.Effect):
+class noiseEffect(inkex.EffectExtension):
     """
 Creates visual noise.  3 kinds: Scratches, chips, specks.
 50, 100, 100 instances are predefined.  These are chosen
diff --git a/extensions/fablabchemnitz/cleanup.py b/extensions/fablabchemnitz/cleanup.py
index 440f6c0a..b285dbea 100644
--- a/extensions/fablabchemnitz/cleanup.py
+++ b/extensions/fablabchemnitz/cleanup.py
@@ -21,7 +21,7 @@ Based on coloreffect.py by Jos Hirth and Aaron C. Spike
 
 import inkex
 
-class Cleanup(inkex.Effect):
+class Cleanup(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         self.arg_parser.add_argument("--stroke_width", type=float, default=0.1, help="Stroke width")
diff --git a/extensions/fablabchemnitz/clonesperspective.py b/extensions/fablabchemnitz/clonesperspective.py
index 92b2f386..5a883e84 100644
--- a/extensions/fablabchemnitz/clonesperspective.py
+++ b/extensions/fablabchemnitz/clonesperspective.py
@@ -4,7 +4,7 @@ import math
 import inkex
 from lxml import etree
 
-class clonesPerspectiveEffect(inkex.Effect):
+class clonesPerspectiveEffect(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         self.arg_parser.add_argument('--num', type = int, default = 5, help = 'Drag out center of rotation before calling')
diff --git a/extensions/fablabchemnitz/close_paths.py b/extensions/fablabchemnitz/close_paths.py
index 57708223..0a4f855b 100644
--- a/extensions/fablabchemnitz/close_paths.py
+++ b/extensions/fablabchemnitz/close_paths.py
@@ -28,7 +28,7 @@ import inkex
 import re
 from inkex.paths import Path
 			
-class CloseCurves(inkex.Effect):
+class CloseCurves(inkex.EffectExtension):
 	def __init__(self):
 		inkex.Effect.__init__(self)
 	def effect(self):
diff --git a/extensions/fablabchemnitz/color_alpha_replace.py b/extensions/fablabchemnitz/color_alpha_replace.py
index e1ccab69..6ca90763 100644
--- a/extensions/fablabchemnitz/color_alpha_replace.py
+++ b/extensions/fablabchemnitz/color_alpha_replace.py
@@ -32,7 +32,7 @@ import sys
 import re
 from lxml import etree
 
-class ReplaceColorAlpha(inkex.Effect):
+class ReplaceColorAlpha(inkex.EffectExtension):
   def __init__(self):
     inkex.Effect.__init__(self)
     self.arg_parser.add_argument("--from_color", default="000000", help="Replace color")
diff --git a/extensions/fablabchemnitz/conic_box.py b/extensions/fablabchemnitz/conic_box.py
index 7d5105e6..b939fb03 100644
--- a/extensions/fablabchemnitz/conic_box.py
+++ b/extensions/fablabchemnitz/conic_box.py
@@ -225,7 +225,7 @@ def gen_cercle(diametre, nombre_pas, epaisseur, xOffset, yOffset, parent):
         index_pas += 1
     path.GenPath()
 
-class ConicalBox(inkex.Effect):
+class ConicalBox(inkex.EffectExtension):
     """
     Creates a new layer with the drawings for a parametrically generaded box.
     """
diff --git a/extensions/fablabchemnitz/convert_polylines.py b/extensions/fablabchemnitz/convert_polylines.py
index 00dd1188..dd964ba6 100644
--- a/extensions/fablabchemnitz/convert_polylines.py
+++ b/extensions/fablabchemnitz/convert_polylines.py
@@ -15,7 +15,7 @@ License: GNU GPL v3
 import inkex
 from inkex.paths import Path
 
-class ConvertToPolylines(inkex.Effect):
+class ConvertToPolylines(inkex.EffectExtension):
 
     def __init__(self):
         inkex.Effect.__init__(self)
diff --git a/extensions/fablabchemnitz/convexhull.py b/extensions/fablabchemnitz/convexhull.py
index c4a07711..21f51004 100644
--- a/extensions/fablabchemnitz/convexhull.py
+++ b/extensions/fablabchemnitz/convexhull.py
@@ -57,7 +57,7 @@ def qhull(sample):
     else:
         return sample
    
-class ConvexHull(inkex.Effect):
+class ConvexHull(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         self.paths = {}
diff --git a/extensions/fablabchemnitz/createtuckbox.py b/extensions/fablabchemnitz/createtuckbox.py
index 059f105e..882138a5 100644
--- a/extensions/fablabchemnitz/createtuckbox.py
+++ b/extensions/fablabchemnitz/createtuckbox.py
@@ -535,7 +535,7 @@ class MatcboxDrawer(BoxBase):
 		else:
 			self._CreateRectangleInMillimetres(self.Height, fudgeDepth, col5, row3)
 
-class TuckboxCreateEffect(inkex.Effect):
+class TuckboxCreateEffect(inkex.EffectExtension):
 	def __init__(self):
 		inkex.Effect.__init__(self)
 		self.arg_parser.add_argument('-t', '--type', type = str, dest = 'BoxType')
diff --git a/extensions/fablabchemnitz/delete_above.py b/extensions/fablabchemnitz/delete_above.py
index a0c5f3b6..f96ae9c7 100644
--- a/extensions/fablabchemnitz/delete_above.py
+++ b/extensions/fablabchemnitz/delete_above.py
@@ -30,7 +30,7 @@ def contains(outer, inner):
            inner.br.x <= outer.br.x and inner.br.y <= outer.br.y
 
 
-class DeleteAboveEffect(inkex.Effect):
+class DeleteAboveEffect(inkex.EffectExtension):
     """ Delete the selected node and everything above it """
     node_info = None
 
diff --git a/extensions/fablabchemnitz/destructiveclip.py b/extensions/fablabchemnitz/destructiveclip.py
index 4363f56a..554e996e 100644
--- a/extensions/fablabchemnitz/destructiveclip.py
+++ b/extensions/fablabchemnitz/destructiveclip.py
@@ -28,7 +28,7 @@ import sys
 from inkex.paths import Path
 
 
-class DestructiveClip(inkex.Effect):
+class DestructiveClip(inkex.EffectExtension):
 
     def __init__(self):
         self.tolerance = 0.0001  # arbitrary fudge factor
diff --git a/extensions/fablabchemnitz/dimensioning.py b/extensions/fablabchemnitz/dimensioning.py
index 953448c7..448f927b 100644
--- a/extensions/fablabchemnitz/dimensioning.py
+++ b/extensions/fablabchemnitz/dimensioning.py
@@ -40,7 +40,7 @@ def rotate(tangentvec, point):
     return 'rotate(' + str(angle/np.pi*180) + ',' + str(point[0]) + ',' + str(point[1]) + ')'
 
 
-class Dimensioning(inkex.Effect):
+class Dimensioning(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         # the options given in the dialouge
diff --git a/extensions/fablabchemnitz/distortion.py b/extensions/fablabchemnitz/distortion.py
index d62e27d5..8cc66e80 100644
--- a/extensions/fablabchemnitz/distortion.py
+++ b/extensions/fablabchemnitz/distortion.py
@@ -4,7 +4,7 @@ import inkex
 from inkex import bezier
 from inkex.paths import Path, CubicSuperPath
 
-class DistortionExtension(inkex.Effect):
+class DistortionExtension(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         self.arg_parser.add_argument("--lambda_coef", type=float, default=-5.0, help="command line help")
diff --git a/extensions/fablabchemnitz/dots2pathpoints.py b/extensions/fablabchemnitz/dots2pathpoints.py
index 8f58e7f4..e73bf824 100644
--- a/extensions/fablabchemnitz/dots2pathpoints.py
+++ b/extensions/fablabchemnitz/dots2pathpoints.py
@@ -24,7 +24,7 @@ Foundation, Inc., 51 Fraanklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 import inkex 
 
-class Pathpoints2Dots(inkex.Effect):
+class Pathpoints2Dots(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         self.arg_parser.add_argument("--tab")
diff --git a/extensions/fablabchemnitz/drawdirections.py b/extensions/fablabchemnitz/drawdirections.py
index d03968da..a33c253e 100644
--- a/extensions/fablabchemnitz/drawdirections.py
+++ b/extensions/fablabchemnitz/drawdirections.py
@@ -4,7 +4,7 @@ import inkex
 from inkex.paths import Path
 from inkex import Circle
 
-class StartEndPoints(inkex.Effect):
+class StartEndPoints(inkex.EffectExtension):
 
     def drawCircle(self, group, color, point):
         style = inkex.Style({'stroke': 'none', 'fill': color})
diff --git a/extensions/fablabchemnitz/eggbot_maze.py b/extensions/fablabchemnitz/eggbot_maze.py
index 2097d4b2..b8d40487 100644
--- a/extensions/fablabchemnitz/eggbot_maze.py
+++ b/extensions/fablabchemnitz/eggbot_maze.py
@@ -97,7 +97,7 @@ def draw_SVG_rect(x, y, w, h, c, t, fill, parent):
     etree.SubElement(parent, inkex.addNS('rect', 'svg'), rect_attribs)
 
 
-class Maze(inkex.Effect):
+class Maze(inkex.EffectExtension):
     """
     Each cell in the maze is represented using 9 bits:
 
diff --git a/extensions/fablabchemnitz/eggbot_sineandlace.py b/extensions/fablabchemnitz/eggbot_sineandlace.py
index b21cb6ef..945412b2 100644
--- a/extensions/fablabchemnitz/eggbot_sineandlace.py
+++ b/extensions/fablabchemnitz/eggbot_sineandlace.py
@@ -249,7 +249,7 @@ def drawSine(cycles=8, rn=0, rm=0, nPoints=50, offset=None,
     return path_data, path_desc
 
 
-class SpiroSine(inkex.Effect):
+class SpiroSine(inkex.EffectExtension):
     nsURI = 'http://sample.com/ns'
     nsPrefix = 'doof'
 
diff --git a/extensions/fablabchemnitz/eggbot_twist.py b/extensions/fablabchemnitz/eggbot_twist.py
index 60c5231b..6e87a57e 100644
--- a/extensions/fablabchemnitz/eggbot_twist.py
+++ b/extensions/fablabchemnitz/eggbot_twist.py
@@ -88,7 +88,7 @@ def distanceSquared(p1, p2):
     return dx * dx + dy * dy
 
 
-class Twist(inkex.Effect):
+class Twist(inkex.EffectExtension):
 
     def __init__(self):
 
diff --git a/extensions/fablabchemnitz/ellipse_5pts.py b/extensions/fablabchemnitz/ellipse_5pts.py
index 5cff53cd..f64cb276 100644
--- a/extensions/fablabchemnitz/ellipse_5pts.py
+++ b/extensions/fablabchemnitz/ellipse_5pts.py
@@ -31,7 +31,7 @@ from copy import deepcopy
 import math
 from math import sqrt
 
-class EllipseSolveEffect(inkex.Effect):
+class EllipseSolveEffect(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
 
diff --git a/extensions/fablabchemnitz/elliptical_cone_box.py b/extensions/fablabchemnitz/elliptical_cone_box.py
index 72ef58b5..abb5c202 100644
--- a/extensions/fablabchemnitz/elliptical_cone_box.py
+++ b/extensions/fablabchemnitz/elliptical_cone_box.py
@@ -67,7 +67,7 @@ class inkcape_polar:
         line_attribs = {'style': objStyle, 'd': self.Path}
         etree.SubElement(self.group, inkex.addNS('path', 'svg'), line_attribs)
 
-class EllConicalBox(inkex.Effect):
+class EllConicalBox(inkex.EffectExtension):
     """
     Creates a new layer with the drawings for a parametrically generaded box.
     """
diff --git a/extensions/fablabchemnitz/eraser_layer.py b/extensions/fablabchemnitz/eraser_layer.py
index 3b7f1646..ad379842 100644
--- a/extensions/fablabchemnitz/eraser_layer.py
+++ b/extensions/fablabchemnitz/eraser_layer.py
@@ -32,7 +32,7 @@ import inkex
 import sys
 from lxml import etree
 
-class EraserLayer(inkex.Effect):
+class EraserLayer(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self) 
 
diff --git a/extensions/fablabchemnitz/exponential_distort.py b/extensions/fablabchemnitz/exponential_distort.py
index 04aff1af..449c9817 100644
--- a/extensions/fablabchemnitz/exponential_distort.py
+++ b/extensions/fablabchemnitz/exponential_distort.py
@@ -6,7 +6,7 @@ import math
 import inkex
 from inkex.paths import CubicSuperPath
 
-class TransformExponential(inkex.Effect):
+class TransformExponential(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         #self.arg_parser.add_argument('-a', '--axis', default='x', help='distortion axis. Valid values are "x", "y", or "xy". Default is "x"')
diff --git a/extensions/fablabchemnitz/exportxy.py b/extensions/fablabchemnitz/exportxy.py
index f1eaaed4..c87d699c 100644
--- a/extensions/fablabchemnitz/exportxy.py
+++ b/extensions/fablabchemnitz/exportxy.py
@@ -24,7 +24,7 @@ def warn(*args, **kwargs):
 import warnings
 warnings.warn = warn
 
-class ExportXY(inkex.Effect):
+class ExportXY(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
     def effect(self):
diff --git a/extensions/fablabchemnitz/fibonaccipattern.py b/extensions/fablabchemnitz/fibonaccipattern.py
index e2a30462..e8fdf79e 100644
--- a/extensions/fablabchemnitz/fibonaccipattern.py
+++ b/extensions/fablabchemnitz/fibonaccipattern.py
@@ -63,7 +63,7 @@ def drawKthCircle(k,firstRadius,lastRadius,numNodes,spreadFactor,parent):
 	draw_SVG_ellipse(nodeRadiusTxt,nodeRadiusTxt,x,y,parent)
 
 
-class FibonacciSpiral(inkex.Effect):
+class FibonacciSpiral(inkex.EffectExtension):
 	def __init__(self):
 		inkex.Effect.__init__(self)
 		self.arg_parser.add_argument("-f", "--FirstRadius",	type=int, default="5", help="The radius of the first layer of circles in pixels.")
diff --git a/extensions/fablabchemnitz/fill_circle.py b/extensions/fablabchemnitz/fill_circle.py
index 27550d50..37595a1b 100644
--- a/extensions/fablabchemnitz/fill_circle.py
+++ b/extensions/fablabchemnitz/fill_circle.py
@@ -13,7 +13,7 @@
 import inkex
 from lxml import etree
 
-def recup(selection,attrib):
+def recup(selection, attrib):
     l = []
     for i in selection:
         selec = i
@@ -21,7 +21,7 @@ def recup(selection,attrib):
         l.append(valr)
     return l
 
-def generCircle(y,x,r):
+def generCircle(y, x, r):
     circle = etree.Element('{http://www.w3.org/2000/svg}circle')
     circle.set('cy',str(y))
     circle.set('cx',str(x))
@@ -36,7 +36,7 @@ def toFloat(l):
         l[i] = float(l[i])
     return l
 
-class Circle(inkex.Effect):
+class Circle(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         self.arg_parser.add_argument('--radius', type = float, default = 3.0, help = 'Radius to enter')
diff --git a/extensions/fablabchemnitz/filletchamfer.py b/extensions/fablabchemnitz/filletchamfer.py
index 7b508b01..a5dacbf7 100644
--- a/extensions/fablabchemnitz/filletchamfer.py
+++ b/extensions/fablabchemnitz/filletchamfer.py
@@ -158,7 +158,7 @@ def d_str(self, useSandT=False, use_closed_attrib=False, rel=False):
     s = ' '.join(parts)
     return s if not rel else s.lower()
         
-class FilletChamfer(inkex.Effect):
+class FilletChamfer(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         self.arg_parser.add_argument("-t", "--fillet_type", default="fillet", help="Selects whether using fillet or chamfer")
diff --git a/extensions/fablabchemnitz/filter_layer.py b/extensions/fablabchemnitz/filter_layer.py
index d1a62eb2..69d8154b 100644
--- a/extensions/fablabchemnitz/filter_layer.py
+++ b/extensions/fablabchemnitz/filter_layer.py
@@ -31,7 +31,7 @@ import inkex
 import sys
 import re
 
-class FilterAndLiveEffectsLayer(inkex.Effect):
+class FilterAndLiveEffectsLayer(inkex.EffectExtension):
 
     def __init__(self):
         inkex.Effect.__init__(self)
diff --git a/extensions/fablabchemnitz/flevobezier.py b/extensions/fablabchemnitz/flevobezier.py
index 00fd3a18..6c013b13 100644
--- a/extensions/fablabchemnitz/flevobezier.py
+++ b/extensions/fablabchemnitz/flevobezier.py
@@ -12,7 +12,7 @@ from inkex.paths import Path
 import sys
 def pout(t): sys.exit((gettext.gettext(t)))
 
-class root(inkex.Effect):
+class root(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
 
diff --git a/extensions/fablabchemnitz/fretboard.py b/extensions/fablabchemnitz/fretboard.py
index 609c8d92..af0c4ff8 100644
--- a/extensions/fablabchemnitz/fretboard.py
+++ b/extensions/fablabchemnitz/fretboard.py
@@ -111,7 +111,7 @@ class Fretboard:
         return hline_cross_path, vline_cross_path
 
 
-class Inxfb(inkex.Effect):
+class Inxfb(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         self.arg_parser.add_argument("-s", "--scale", default="25in", help="The fingerboard scalelenght")
diff --git a/extensions/fablabchemnitz/gears_dev.py b/extensions/fablabchemnitz/gears_dev.py
index 8a9ddc31..9d45add3 100644
--- a/extensions/fablabchemnitz/gears_dev.py
+++ b/extensions/fablabchemnitz/gears_dev.py
@@ -346,7 +346,7 @@ def generate_spokes_path(root_radius, spoke_width, spoke_count, mount_radius, mo
     return (path, messages)
 
 
-class Gears(inkex.Effect):
+class Gears(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         # an alternate way to get debug info:
diff --git a/extensions/fablabchemnitz/globe.py b/extensions/fablabchemnitz/globe.py
index add06c62..731ce125 100644
--- a/extensions/fablabchemnitz/globe.py
+++ b/extensions/fablabchemnitz/globe.py
@@ -108,7 +108,7 @@ def draw_ellipse_segment_rotated(cx,cy,rx,ry, width, fill, name, parent, rotatio
     etree.SubElement(parent, inkex.addNS('path','svg'), circle_attribs)
 
 
-class Globe(inkex.Effect):
+class Globe(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         self.arg_parser.add_argument("--longitudeLineCount", type=int, default=15, help="Number of longitude lines")
diff --git a/extensions/fablabchemnitz/grid_perspect2.py b/extensions/fablabchemnitz/grid_perspect2.py
index a16c4065..d91ab449 100644
--- a/extensions/fablabchemnitz/grid_perspect2.py
+++ b/extensions/fablabchemnitz/grid_perspect2.py
@@ -49,7 +49,7 @@ def colorString(pickerColor):
         longcolor = longcolor & 0xFFFFFFFF
     return '#' + format(longcolor >> 8, '06X')
 	
-class Grid_Perspective(inkex.Effect):
+class Grid_Perspective(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         self.arg_parser.add_argument("--size_unit", default="", help="Units for geometry")
diff --git a/extensions/fablabchemnitz/gridstrip_creator.py b/extensions/fablabchemnitz/gridstrip_creator.py
index 67480c50..92f50e70 100644
--- a/extensions/fablabchemnitz/gridstrip_creator.py
+++ b/extensions/fablabchemnitz/gridstrip_creator.py
@@ -29,7 +29,7 @@ from lxml import etree
 def printDebug(string):
 	inkex.errormsg(string)
 	
-class GridStrip_Creator(inkex.Effect):
+class GridStrip_Creator(inkex.EffectExtension):
 	def __init__(self):
 		inkex.Effect.__init__(self)
 
diff --git a/extensions/fablabchemnitz/group_to_layer.py b/extensions/fablabchemnitz/group_to_layer.py
index 8c3df98e..8a4ad0e1 100644
--- a/extensions/fablabchemnitz/group_to_layer.py
+++ b/extensions/fablabchemnitz/group_to_layer.py
@@ -24,7 +24,7 @@
 
 import inkex
 
-class GroupToLayerEffect(inkex.Effect):
+class GroupToLayerEffect(inkex.EffectExtension):
     def __init__(self):
         inkex.Effect.__init__(self)
         self.arg_parser.add_argument('-d', '--depth', type = int, default = 1, help = 'Convert nested group up to DEPTH layers deep')