diff --git a/extensions/fablabchemnitz/render_silhouette_regmarks.inx b/extensions/fablabchemnitz/render_silhouette_regmarks.inx
new file mode 100644
index 00000000..779732dd
--- /dev/null
+++ b/extensions/fablabchemnitz/render_silhouette_regmarks.inx
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
+    <name>Silhouette Cameo Registration Marks</name>
+    <id>fablabchemnitz.de.silhouette_cameo_registration_marks</id>
+    <param name="regwidth" type="float" min="0.0" max="10000" gui-text="X mark distance [mm]">180</param>
+    <param name="reglength" type="float" min="0.0" max="10000" gui-text="Y mark distance [mm]">230</param>
+    <param name="regoriginx" type="float" min="10.0" max="10000" gui-text="Position of regmark from document left [mm]">15</param>
+    <param name="regoriginy" type="float" min="10.0" max="10000" gui-text="Position of regmark from document top [mm]">20</param>
+    <param name="regdistance_help" type="description">Distance of the registration mark edges</param>
+    <effect>
+        <object-type>all</object-type>
+        <effects-menu>
+            <submenu name="FabLab Chemnitz">
+                <submenu name="Nesting/Cut Optimization" /></submenu>
+        </effects-menu>
+    </effect>
+    <script>
+        <command location="inx" interpreter="python">render_silhouette_regmarks.py</command>
+    </script>
+</inkscape-extension>
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diff --git a/extensions/fablabchemnitz/render_silhouette_regmarks.py b/extensions/fablabchemnitz/render_silhouette_regmarks.py
new file mode 100644
index 00000000..70fbc6f5
--- /dev/null
+++ b/extensions/fablabchemnitz/render_silhouette_regmarks.py
@@ -0,0 +1,101 @@
+#
+# Copyright (C) 2021 miLORD1337
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA.
+#
+"""
+Base module for rendering regmarks for Silhouette CAMEO products in Inkscape.
+"""
+
+import inkex
+from lxml import etree
+
+SVG_URI = u'http://www.w3.org/2000/svg'
+
+class InsertRegmark(inkex.Effect):
+	def __init__(self):
+		inkex.Effect.__init__(self)
+		
+		# Layer name static, since self.document.getroot() not available on initialization
+		self.layername = 'silhouette-regmark'
+		
+		# Parse arguments
+		self.arg_parser.add_argument("-X", "--reg-x", "--regwidth",	type = float, dest = "regwidth", default = 180.0, help="X mark distance [mm]")
+		self.arg_parser.add_argument("-Y", "--reg-y", "--reglength", type = float, dest = "reglength", default = 230.0, help="Y mark distance [mm]")
+		self.arg_parser.add_argument("--rego-x",  "--regoriginx", type = float, dest = "regoriginx", default = 15.0, help="X mark origin from left [mm]")
+		self.arg_parser.add_argument("--rego-y", "--regoriginy", type = float, dest = "regoriginy", default = 20.0, help="X mark origin from top [mm]")
+	
+	#SVG rect element generation routine
+	def drawRect(self, size, pos, name):
+		x, y = pos
+		w, h = size
+		rect = etree.Element('{%s}rect' % SVG_URI)
+		rect.set('x', str(x))
+		rect.set('y', str(y))
+		rect.set('id', name)
+		rect.set('width', str(w))
+		rect.set('height', str(h))
+		rect.set('style', 'fill: black;')
+		return rect
+		
+	#SVG line element generation routine
+	def drawLine(self, posStart, posEnd, name):
+		x1, y1 = posStart
+		x2, y2, = posEnd
+		line = etree.Element('{%s}line' % SVG_URI)
+		line.set('x1', str(x1))
+		line.set('y1', str(y1))
+		line.set('x2', str(x2))
+		line.set('y2', str(y2))
+		line.set('id', name)
+		line.set('style', 'stroke: black; stroke-width: 0.5;')
+		return line
+	
+	def effect(self):
+		svg = self.document.getroot()
+		
+		# Create a new layer.
+		layer = etree.SubElement(svg, 'g')
+		layer.set(inkex.addNS('label', 'inkscape'), self.layername)
+		layer.set(inkex.addNS('groupmode', 'inkscape'), 'layer')
+	
+		# Create square in top left corner
+		layer.append(self.drawRect((5,5), (self.options.regoriginx,self.options.regoriginy), 'TopLeft'))
+		
+		# Create group for top right corner
+		topRight = etree.Element('{%s}g' % SVG_URI)
+		topRight.set('id', 'TopRight')
+		topRight.set('style', 'fill: black;')
+		
+		# Create horizontal and vertical lines in group
+		topRight.append(self.drawLine((self.options.regwidth-20,self.options.regoriginy), (self.options.regwidth,self.options.regoriginy), 'Horizontal'))
+		topRight.append(self.drawLine((self.options.regwidth,self.options.regoriginy), (self.options.regwidth,self.options.regoriginy + 20), 'Vertical'))
+		layer.append(topRight)
+		
+		# Create group for top right corner
+		bottomLeft = etree.Element('{%s}g' % SVG_URI)
+		bottomLeft.set('id', 'BottomLeft')
+		bottomLeft.set('style', 'fill: black;')
+		
+		# Create horizontal and vertical lines in group
+		bottomLeft.append(self.drawLine((self.options.regoriginx,self.options.reglength), (self.options.regoriginx+20,self.options.reglength), 'Horizontal'))
+		bottomLeft.append(self.drawLine((self.options.regoriginx,self.options.reglength), (self.options.regoriginx,self.options.reglength - 20), 'Vertical'))
+		layer.append(bottomLeft)
+		
+		#Lock layer
+		layer.set(inkex.addNS('insensitive', 'sodipodi'), 'true') 
+		
+if __name__ == '__main__':
+	InsertRegmark().run()
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