diff --git a/extensions/fablabchemnitz/boxes.py/Platonic-thumb.jpg b/extensions/fablabchemnitz/boxes.py/Platonic-thumb.jpg
new file mode 100644
index 00000000..1dd04e92
Binary files /dev/null and b/extensions/fablabchemnitz/boxes.py/Platonic-thumb.jpg differ
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.exe b/extensions/fablabchemnitz/boxes.py/boxes.exe
index dab31c6c..30ec23ad 100755
Binary files a/extensions/fablabchemnitz/boxes.py/boxes.exe and b/extensions/fablabchemnitz/boxes.py/boxes.exe differ
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.AgricolaInsert.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.AgricolaInsert.inx
index fa9bd8d5..3a6e22c6 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.AgricolaInsert.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.AgricolaInsert.inx
@@ -28,6 +28,7 @@
         <image>./AgricolaInsert-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/AgricolaInsert</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.AllEdges.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.AllEdges.inx
index e1ffd12b..dc7944b6 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.AllEdges.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.AllEdges.inx
@@ -80,6 +80,7 @@
         <image>./AllEdges-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/AllEdges</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.AngledBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.AngledBox.inx
index 049d90ea..5afc936c 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.AngledBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.AngledBox.inx
@@ -47,6 +47,7 @@
         <image>./AngledBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/AngledBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.AngledCutJig.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.AngledCutJig.inx
index 1b9d4cc5..f69fe5a4 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.AngledCutJig.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.AngledCutJig.inx
@@ -33,6 +33,7 @@
         <image>./AngledCutJig-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/AngledCutJig</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Arcade.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Arcade.inx
index b6026321..9f1d1912 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Arcade.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Arcade.inx
@@ -33,6 +33,7 @@
         <image>./Arcade-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Arcade</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Atreus21.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Atreus21.inx
index 3a8f86e0..db254455 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Atreus21.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Atreus21.inx
@@ -23,6 +23,7 @@
         <image>./Atreus21-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Atreus21</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.BasedBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.BasedBox.inx
index eac915b2..e0121a1e 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.BasedBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.BasedBox.inx
@@ -34,6 +34,7 @@
         <image>./BasedBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/BasedBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.BayonetBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.BayonetBox.inx
index 64af2ac2..9540c58f 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.BayonetBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.BayonetBox.inx
@@ -21,6 +21,7 @@
         <image>./BayonetBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/BayonetBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.BinTray.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.BinTray.inx
index fd98ff01..688761e9 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.BinTray.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.BinTray.inx
@@ -35,6 +35,7 @@
         <image>./BinTray-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/BinTray</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.BottleStack.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.BottleStack.inx
index 3c629e7d..69ab63fb 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.BottleStack.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.BottleStack.inx
@@ -21,6 +21,7 @@
         <image>./BottleStack-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/BottleStack</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.BurnTest.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.BurnTest.inx
index 308fe88e..3aca9e16 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.BurnTest.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.BurnTest.inx
@@ -33,6 +33,7 @@
         <image>./BurnTest-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/BurnTest</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.CardBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.CardBox.inx
index 67ba8e8f..ad454b25 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.CardBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.CardBox.inx
@@ -34,6 +34,7 @@
         <image>./CardBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/CardBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Castle.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Castle.inx
index e3de1215..63f949d7 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Castle.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Castle.inx
@@ -28,6 +28,7 @@
         <image>./Castle-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Castle</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.ClosedBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.ClosedBox.inx
index fe62b405..846911db 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.ClosedBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.ClosedBox.inx
@@ -34,6 +34,7 @@
         <image>./ClosedBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/ClosedBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.CoffeeCapsuleHolder.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.CoffeeCapsuleHolder.inx
index 4535c973..1f57e345 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.CoffeeCapsuleHolder.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.CoffeeCapsuleHolder.inx
@@ -20,6 +20,7 @@
         <image>./CoffeeCapsuleHolder-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/CoffeeCapsuleHolder</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.ConcaveKnob.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.ConcaveKnob.inx
index 84eb677e..b20adad0 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.ConcaveKnob.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.ConcaveKnob.inx
@@ -24,6 +24,7 @@
         <image>./ConcaveKnob-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/ConcaveKnob</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Console.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Console.inx
index b2d5d964..e838dd6a 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Console.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Console.inx
@@ -42,6 +42,7 @@
         <image>./Console-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Console</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Console2.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Console2.inx
index 04572f59..d30abad9 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Console2.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Console2.inx
@@ -51,6 +51,7 @@
         <image>./Console2-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Console2</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.DinRailBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.DinRailBox.inx
index 9a332a99..c79a2b65 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.DinRailBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.DinRailBox.inx
@@ -35,6 +35,7 @@
         <image>./DinRailBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/DinRailBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.DiscRack.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.DiscRack.inx
index 19482fd2..d4b8e977 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.DiscRack.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.DiscRack.inx
@@ -37,6 +37,7 @@
         <image>./DiscRack-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/DiscRack</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Display.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Display.inx
index 30b920ff..4a0c2ea3 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Display.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Display.inx
@@ -21,6 +21,7 @@
         <image>./Display-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Display</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.DisplayCase.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.DisplayCase.inx
index 901b88ae..845d977a 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.DisplayCase.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.DisplayCase.inx
@@ -35,6 +35,7 @@
         <image>./DisplayCase-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/DisplayCase</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.DisplayShelf.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.DisplayShelf.inx
index d6e05fc6..6a3e07ba 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.DisplayShelf.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.DisplayShelf.inx
@@ -37,6 +37,7 @@
         <image>./DisplayShelf-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/DisplayShelf</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.DividerTray.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.DividerTray.inx
index 70ff34a7..5d7aef2c 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.DividerTray.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.DividerTray.inx
@@ -45,6 +45,7 @@
         <image>./DividerTray-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/DividerTray</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.DoubleFlexDoorBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.DoubleFlexDoorBox.inx
new file mode 100644
index 00000000..b104988a
--- /dev/null
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.DoubleFlexDoorBox.inx
@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
+<name>DoubleFlexDoorBox</name>
+<id>info.festi.boxes.py.DoubleFlexDoorBox</id>
+<param name="generator" type="string" gui-hidden="true">doubleflexdoorbox</param>
+<param name="tab" type="notebook">
+    <page name="tab_0" gui-text="DoubleFlexDoorBox">
+        <param name="x" type="float" precision="2" max="9999" gui-text="x" gui-description="inner width in mm (unless outside selected)">100.0</param>
+        <param name="y" type="float" precision="2" max="9999" gui-text="y" gui-description="inner depth in mm (unless outside selected)">100.0</param>
+        <param name="h" type="float" precision="2" max="9999" gui-text="h" gui-description="inner height in mm (unless outside selected)">100.0</param>
+        <param name="outside" type="bool" gui-text="outside" gui-description="treat sizes as outside measurements that include the walls">true</param>
+        <param name="radius" type="float" precision="2" max="9999" gui-text="radius" gui-description="Radius of the latch in mm">15</param>
+        <param name="latchsize" type="float" precision="2" max="9999" gui-text="latchsize" gui-description="size of latch in multiples of thickness">8</param>
+    </page>
+    <page name="tab_1" gui-text="Default">
+        <param name="thickness" type="float" precision="2" max="9999" gui-text="thickness" gui-description="thickness of the material">3.0</param>
+        <param name="tabs" type="float" precision="2" max="9999" gui-text="tabs" gui-description="width of tabs holding the parts in place in mm (not supported everywhere)">0.0</param>
+        <param name="debug" type="bool" gui-text="debug" gui-description="print surrounding boxes for some structures">false</param>
+        <param name="reference" type="float" precision="2" max="9999" gui-text="reference" gui-description="print reference rectangle with given length (zero to disable)">100</param>
+        <param name="burn" type="float" precision="2" max="9999" gui-text="burn" gui-description='burn correction in mm (bigger values for tighter fit). Use BurnTest in "Parts and Samples" to find the right value.'>0.1</param>
+    </page>
+    <page name="tab_2" gui-text="Finger Joints">
+        <param name="FingerJoint_angle" type="float" precision="2" max="9999" gui-text="angle" gui-description="angle">90.0</param>
+        <param name="FingerJoint_style" type="optiongroup" appearance="combo" gui-text="style" gui-description="style of the fingers">
+            <option value="rectangular">rectangular</option>
+            <option value="springs">springs</option>
+    </param>
+        <param name="FingerJoint_surroundingspaces" type="float" precision="2" max="9999" gui-text="surroundingspaces" gui-description="maximum space at the start and end in multiple of normal spaces">2.0</param>
+        <param name="FingerJoint_edge_width" type="float" precision="2" max="9999" gui-text="edge_width" gui-description="space below holes of FingerHoleEdge">1.0</param>
+        <param name="FingerJoint_finger" type="float" precision="2" max="9999" gui-text="finger" gui-description="width of the fingers">2.0</param>
+        <param name="FingerJoint_play" type="float" precision="2" max="9999" gui-text="play" gui-description="extra space to allow finger move in and out">0.0</param>
+        <param name="FingerJoint_space" type="float" precision="2" max="9999" gui-text="space" gui-description="space between fingers">2.0</param>
+        <param name="FingerJoint_width" type="float" precision="2" max="9999" gui-text="width" gui-description="width of finger holes">1.0</param>
+    </page>
+    <page name="tab_3" gui-text="Flex">
+        <param name="Flex_stretch" type="float" precision="2" max="9999" gui-text="stretch" gui-description="Hint of how much the flex part should be shortend">1.05</param>
+        <param name="Flex_connection" type="float" precision="2" max="9999" gui-text="connection" gui-description="width of the gaps in the cuts">1.0</param>
+        <param name="Flex_distance" type="float" precision="2" max="9999" gui-text="distance" gui-description="width of the pattern perpendicular to the cuts">0.5</param>
+        <param name="Flex_width" type="float" precision="2" max="9999" gui-text="width" gui-description="width">5.0</param>
+    </page>
+    <page name="tab_4" gui-text="Example">
+        <image>./DoubleFlexDoorBox-thumb.jpg</image>
+    </page>
+</param>
+<label appearance="url">https://www.festi.info/boxes.py/DoubleFlexDoorBox</label>
+<effect>
+    <object-type>all</object-type>
+    <effects-menu>
+        <submenu name="Boxes.py">
+            <submenu name="Unstable"/>
+        </submenu>
+    </effects-menu>
+</effect>
+<script>
+    <command location="inx" interpreter="python">boxes_proxy.py</command>
+</script>
+</inkscape-extension>
\ No newline at end of file
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.DrillBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.DrillBox.inx
index 5e2fc89d..a1072c6c 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.DrillBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.DrillBox.inx
@@ -28,6 +28,7 @@
         <image>./DrillBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/DrillBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.DrillStand.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.DrillStand.inx
index be28819d..e44fa70a 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.DrillStand.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.DrillStand.inx
@@ -40,6 +40,7 @@
         <image>./DrillStand-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/DrillStand</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.ElectronicsBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.ElectronicsBox.inx
index b58f10d0..3d1eb0f3 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.ElectronicsBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.ElectronicsBox.inx
@@ -40,6 +40,7 @@
         <image>./ElectronicsBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/ElectronicsBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.EuroRackSkiff.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.EuroRackSkiff.inx
index 3ab00c4c..ec0d1739 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.EuroRackSkiff.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.EuroRackSkiff.inx
@@ -32,6 +32,7 @@
         <image>./EuroRackSkiff-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/EuroRackSkiff</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.FanHole.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.FanHole.inx
index 4e19ee48..c6b0368a 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.FanHole.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.FanHole.inx
@@ -27,6 +27,7 @@
         <image>./FanHole-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/FanHole</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox.inx
index c8ea6260..e38bacdf 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox.inx
@@ -42,6 +42,7 @@
         <image>./FlexBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/FlexBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox2.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox2.inx
index f466f0e9..a526a9ad 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox2.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox2.inx
@@ -42,6 +42,7 @@
         <image>./FlexBox2-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/FlexBox2</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox3.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox3.inx
index 58c4ca1c..36d3a53c 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox3.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox3.inx
@@ -43,6 +43,7 @@
         <image>./FlexBox3-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/FlexBox3</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox4.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox4.inx
index a078a811..6abfee3d 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox4.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox4.inx
@@ -42,6 +42,7 @@
         <image>./FlexBox4-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/FlexBox4</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox5.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox5.inx
index 45fddada..f69c3260 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox5.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.FlexBox5.inx
@@ -42,6 +42,7 @@
         <image>./FlexBox5-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/FlexBox5</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.FlexTest.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.FlexTest.inx
index 4fbf92d2..1e467deb 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.FlexTest.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.FlexTest.inx
@@ -25,6 +25,7 @@
         <image>./FlexTest-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/FlexTest</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.FlexTest2.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.FlexTest2.inx
index 1cbf5b90..970e5ca6 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.FlexTest2.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.FlexTest2.inx
@@ -20,6 +20,7 @@
         <image>./FlexTest2-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/FlexTest2</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Folder.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Folder.inx
index dbaad480..18024bdf 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Folder.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Folder.inx
@@ -34,6 +34,7 @@
         <image>./Folder-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Folder</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.GearBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.GearBox.inx
index ca82168d..7cb87728 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.GearBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.GearBox.inx
@@ -35,6 +35,7 @@
         <image>./GearBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/GearBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Gears.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Gears.inx
index b6f90fc7..7739f349 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Gears.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Gears.inx
@@ -26,6 +26,7 @@
         <image>./Gears-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Gears</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.HeartBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.HeartBox.inx
index 3351ec89..00612d3f 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.HeartBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.HeartBox.inx
@@ -43,6 +43,7 @@
         <image>./HeartBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/HeartBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.HexHoles.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.HexHoles.inx
index 5700da22..2a30076d 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.HexHoles.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.HexHoles.inx
@@ -26,6 +26,7 @@
         <image>./HexHoles-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/HexHoles</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.HingeBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.HingeBox.inx
index 156127e4..e73d4ede 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.HingeBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.HingeBox.inx
@@ -48,6 +48,7 @@
         <image>./HingeBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/HingeBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Hook.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Hook.inx
index d7d8fe33..26809926 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Hook.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Hook.inx
@@ -35,6 +35,7 @@
         <image>./Hook-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Hook</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.IntegratedHingeBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.IntegratedHingeBox.inx
index 075f29f6..aedc8d11 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.IntegratedHingeBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.IntegratedHingeBox.inx
@@ -40,6 +40,7 @@
         <image>./IntegratedHingeBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/IntegratedHingeBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Keypad.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Keypad.inx
index a1aafd5e..e34414da 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Keypad.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Keypad.inx
@@ -39,6 +39,7 @@
         <image>./Keypad-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Keypad</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.LBeam.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.LBeam.inx
index 6e68e8b7..0a069d12 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.LBeam.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.LBeam.inx
@@ -34,6 +34,7 @@
         <image>./LBeam-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/LBeam</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.LaserClamp.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.LaserClamp.inx
index f0e836c8..64a57115 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.LaserClamp.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.LaserClamp.inx
@@ -33,6 +33,7 @@
         <image>./LaserClamp-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/LaserClamp</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.LaserHoldfast.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.LaserHoldfast.inx
index e38066bb..c8d518d7 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.LaserHoldfast.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.LaserHoldfast.inx
@@ -21,6 +21,7 @@
         <image>./LaserHoldfast-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/LaserHoldfast</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.MagazinFile.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.MagazinFile.inx
index 1d52157f..3e99fad0 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.MagazinFile.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.MagazinFile.inx
@@ -35,6 +35,7 @@
         <image>./MagazinFile-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/MagazinFile</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.MakitaPowerSupply.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.MakitaPowerSupply.inx
index 4b22ac97..4f4fb8d1 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.MakitaPowerSupply.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.MakitaPowerSupply.inx
@@ -32,6 +32,7 @@
         <image>./MakitaPowerSupply-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/MakitaPowerSupply</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.NemaMount.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.NemaMount.inx
index 4cc22b40..3df6563a 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.NemaMount.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.NemaMount.inx
@@ -41,6 +41,7 @@
         <image>./NemaMount-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/NemaMount</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.NemaPattern.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.NemaPattern.inx
index da48bb33..badc418b 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.NemaPattern.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.NemaPattern.inx
@@ -42,6 +42,7 @@
         <image>./NemaPattern-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/NemaPattern</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.NotesHolder.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.NotesHolder.inx
index 74e6ab47..1fb90a2d 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.NotesHolder.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.NotesHolder.inx
@@ -46,6 +46,7 @@
         <image>./NotesHolder-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/NotesHolder</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.OpenBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.OpenBox.inx
index 4629b6a6..6f6396d5 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.OpenBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.OpenBox.inx
@@ -34,6 +34,7 @@
         <image>./OpenBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/OpenBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.OrganPipe.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.OrganPipe.inx
index 648916e7..e7289223 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.OrganPipe.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.OrganPipe.inx
@@ -57,6 +57,7 @@
         <image>./OrganPipe-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/OrganPipe</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.OttoBody.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.OttoBody.inx
index e54dcc02..5d31ae2a 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.OttoBody.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.OttoBody.inx
@@ -33,6 +33,7 @@
         <image>./OttoBody-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/OttoBody</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.OttoLegs.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.OttoLegs.inx
index 5a3b1f6a..16baec5d 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.OttoLegs.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.OttoLegs.inx
@@ -33,6 +33,7 @@
         <image>./OttoLegs-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/OttoLegs</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.OttoSoles.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.OttoSoles.inx
index e7914f4d..03609038 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.OttoSoles.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.OttoSoles.inx
@@ -22,6 +22,7 @@
         <image>./OttoSoles-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/OttoSoles</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.PaintStorage.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.PaintStorage.inx
index bf3b9a65..151c081f 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.PaintStorage.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.PaintStorage.inx
@@ -43,6 +43,7 @@
         <image>./PaintStorage-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/PaintStorage</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.PaperBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.PaperBox.inx
index 97fcb3a2..f2f106ab 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.PaperBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.PaperBox.inx
@@ -27,6 +27,7 @@
         <image>./PaperBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/PaperBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.PhoneHolder.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.PhoneHolder.inx
index db342c9b..b1bccd41 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.PhoneHolder.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.PhoneHolder.inx
@@ -37,6 +37,7 @@
         <image>./PhoneHolder-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/PhoneHolder</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Planetary.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Planetary.inx
index ebbb9ef6..9969ab16 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Planetary.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Planetary.inx
@@ -23,6 +23,7 @@
         <image>./Planetary-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Planetary</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Planetary2.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Planetary2.inx
index d73cdf2a..37f56388 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Planetary2.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Planetary2.inx
@@ -53,6 +53,7 @@
         <image>./Planetary2-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Planetary2</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Platonic.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Platonic.inx
index 2dd01f54..db07488b 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Platonic.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Platonic.inx
@@ -39,6 +39,7 @@
         <image>./Platonic-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Platonic</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.PoleHook.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.PoleHook.inx
index 2b9eaebe..b552134c 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.PoleHook.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.PoleHook.inx
@@ -35,6 +35,7 @@
         <image>./PoleHook-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/PoleHook</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Pulley.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Pulley.inx
index c4128398..0629f36e 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Pulley.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Pulley.inx
@@ -38,6 +38,7 @@
         <image>./Pulley-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Pulley</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Rack10Box.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Rack10Box.inx
index 5dea3d44..0a6f092a 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Rack10Box.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Rack10Box.inx
@@ -52,6 +52,7 @@
         <image>./Rack10Box-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Rack10Box</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Rack19Box.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Rack19Box.inx
index 1ec2d4b4..f8f74443 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Rack19Box.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Rack19Box.inx
@@ -52,6 +52,7 @@
         <image>./Rack19Box-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Rack19Box</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Rack19HalfWidth.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Rack19HalfWidth.inx
index 7bfc5d1b..e4499a95 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Rack19HalfWidth.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Rack19HalfWidth.inx
@@ -21,6 +21,7 @@
         <image>./Rack19HalfWidth-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Rack19HalfWidth</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.RackBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.RackBox.inx
index 727be35a..6acf40ac 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.RackBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.RackBox.inx
@@ -39,6 +39,7 @@
         <image>./RackBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/RackBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.RectangularWall.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.RectangularWall.inx
index 7be9a88f..cf1a0455 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.RectangularWall.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.RectangularWall.inx
@@ -260,6 +260,7 @@
         <image>./RectangularWall-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/RectangularWall</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.RegularBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.RegularBox.inx
index f139b1d7..57dd15f9 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.RegularBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.RegularBox.inx
@@ -44,6 +44,7 @@
         <image>./RegularBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/RegularBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.RobotArm.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.RobotArm.inx
index 76aa07e7..cdfed0c6 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.RobotArm.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.RobotArm.inx
@@ -105,6 +105,7 @@
         <image>./RobotArm-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/RobotArm</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Rotary.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Rotary.inx
index 08d7fa01..30139834 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Rotary.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Rotary.inx
@@ -36,6 +36,7 @@
         <image>./Rotary-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Rotary</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.RoundedBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.RoundedBox.inx
index 308dcae0..35c88fd1 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.RoundedBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.RoundedBox.inx
@@ -57,6 +57,7 @@
         <image>./RoundedBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/RoundedBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.RoyalGame.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.RoyalGame.inx
index 97bb8fcc..0bcee34c 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.RoyalGame.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.RoyalGame.inx
@@ -31,6 +31,7 @@
         <image>./RoyalGame-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/RoyalGame</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.SBCMicroRack.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.SBCMicroRack.inx
index e868da42..e096e108 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.SBCMicroRack.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.SBCMicroRack.inx
@@ -50,6 +50,7 @@
         <image>./SBCMicroRack-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/SBCMicroRack</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.ShutterBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.ShutterBox.inx
index c1b70d18..fd823128 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.ShutterBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.ShutterBox.inx
@@ -44,6 +44,7 @@
         <image>./ShutterBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/ShutterBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.SideDoorHousing.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.SideDoorHousing.inx
index 34aa5b2b..b98020cf 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.SideDoorHousing.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.SideDoorHousing.inx
@@ -46,6 +46,7 @@
         <image>./SideDoorHousing-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/SideDoorHousing</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Silverware.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Silverware.inx
index 19e85044..c9d48917 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Silverware.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Silverware.inx
@@ -23,6 +23,7 @@
         <image>./Silverware-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Silverware</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallCaliper.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallCaliper.inx
index b58e3376..768fe1bd 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallCaliper.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallCaliper.inx
@@ -45,6 +45,7 @@
         <image>./SlatwallCaliper-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/SlatwallCaliper</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallChiselHolder.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallChiselHolder.inx
index f4baa4d6..f0423ddb 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallChiselHolder.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallChiselHolder.inx
@@ -53,6 +53,7 @@
         <image>./SlatwallChiselHolder-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/SlatwallChiselHolder</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallConsole.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallConsole.inx
index 79bfc991..ee568497 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallConsole.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallConsole.inx
@@ -47,6 +47,7 @@
         <image>./SlatwallConsole-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/SlatwallConsole</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallDrillBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallDrillBox.inx
index ce51dafb..46ce58a2 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallDrillBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallDrillBox.inx
@@ -46,6 +46,7 @@
         <image>./SlatwallDrillBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/SlatwallDrillBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallEdges.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallEdges.inx
index c6afb028..c274acc0 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallEdges.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallEdges.inx
@@ -43,6 +43,7 @@
         <image>./SlatwallEdges-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/SlatwallEdges</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallPinRow.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallPinRow.inx
index 2c5550c9..19688c65 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallPinRow.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallPinRow.inx
@@ -50,6 +50,7 @@
         <image>./SlatwallPinRow-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/SlatwallPinRow</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallPlaneHolder.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallPlaneHolder.inx
index 1517ab64..caf7733b 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallPlaneHolder.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallPlaneHolder.inx
@@ -46,6 +46,7 @@
         <image>./SlatwallPlaneHolder-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/SlatwallPlaneHolder</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallPliersHolder.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallPliersHolder.inx
index 538fd680..7d3f9cbd 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallPliersHolder.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallPliersHolder.inx
@@ -35,6 +35,7 @@
         <image>./SlatwallPliersHolder-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/SlatwallPliersHolder</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallSlottedHolder.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallSlottedHolder.inx
index 2004bca5..d6a50140 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallSlottedHolder.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallSlottedHolder.inx
@@ -54,6 +54,7 @@
         <image>./SlatwallSlottedHolder-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/SlatwallSlottedHolder</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallStairs.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallStairs.inx
new file mode 100644
index 00000000..95e8bf88
--- /dev/null
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallStairs.inx
@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
+<name>SlatwallStairs</name>
+<id>info.festi.boxes.py.SlatwallStairs</id>
+<param name="generator" type="string" gui-hidden="true">slatwallstairs</param>
+<param name="tab" type="notebook">
+    <page name="tab_0" gui-text="SlatwallStairs">
+        <param name="sx" type="string" gui-text="sx" gui-description="sections left to right in mm. See --sy for format">250/3</param>
+        <param name="sy" type="string" gui-text="sy" gui-description='sections back to front in mm. Possible formats: overallwidth/numberof sections e.g. "250/5"; sectionwidth*numberofsections e.g. "50*5"; section widths separated by ":" e.g. "30:25.5:70'>40*3</param>
+        <param name="sh" type="string" gui-text="sh" gui-description="sections bottom to top in mm. See --sy for format">30:100:180</param>
+        <param name="braceheight" type="float" precision="2" max="9999" gui-text="braceheight" gui-description="height of the brace at the bottom back (in mm). Zero for none">30</param>
+    </page>
+    <page name="tab_1" gui-text="Default">
+        <param name="thickness" type="float" precision="2" max="9999" gui-text="thickness" gui-description="thickness of the material">3.0</param>
+        <param name="tabs" type="float" precision="2" max="9999" gui-text="tabs" gui-description="width of tabs holding the parts in place in mm (not supported everywhere)">0.0</param>
+        <param name="debug" type="bool" gui-text="debug" gui-description="print surrounding boxes for some structures">false</param>
+        <param name="reference" type="float" precision="2" max="9999" gui-text="reference" gui-description="print reference rectangle with given length (zero to disable)">100</param>
+        <param name="burn" type="float" precision="2" max="9999" gui-text="burn" gui-description='burn correction in mm (bigger values for tighter fit). Use BurnTest in "Parts and Samples" to find the right value.'>0.1</param>
+    </page>
+    <page name="tab_2" gui-text="Finger Joints">
+        <param name="FingerJoint_angle" type="float" precision="2" max="9999" gui-text="angle" gui-description="angle">90.0</param>
+        <param name="FingerJoint_style" type="optiongroup" appearance="combo" gui-text="style" gui-description="style of the fingers">
+            <option value="rectangular">rectangular</option>
+            <option value="springs">springs</option>
+    </param>
+        <param name="FingerJoint_surroundingspaces" type="float" precision="2" max="9999" gui-text="surroundingspaces" gui-description="maximum space at the start and end in multiple of normal spaces">2.0</param>
+        <param name="FingerJoint_edge_width" type="float" precision="2" max="9999" gui-text="edge_width" gui-description="space below holes of FingerHoleEdge">1.0</param>
+        <param name="FingerJoint_finger" type="float" precision="2" max="9999" gui-text="finger" gui-description="width of the fingers">2.0</param>
+        <param name="FingerJoint_play" type="float" precision="2" max="9999" gui-text="play" gui-description="extra space to allow finger move in and out">0.0</param>
+        <param name="FingerJoint_space" type="float" precision="2" max="9999" gui-text="space" gui-description="space between fingers">2.0</param>
+        <param name="FingerJoint_width" type="float" precision="2" max="9999" gui-text="width" gui-description="width of finger holes">1.0</param>
+    </page>
+    <page name="tab_3" gui-text="SlatWallEdges">
+        <param name="SlatWall_bottom_hook" type="optiongroup" appearance="combo" gui-text="bottom_hook" gui-description='"spring", "stud" or "none"'>
+            <option value="hook">hook</option>
+            <option value="spring">spring</option>
+            <option value="stud">stud</option>
+            <option value="none">none</option>
+    </param>
+        <param name="SlatWall_hook_depth" type="float" precision="2" max="9999" gui-text="hook_depth" gui-description="horizontal width of the hook">4.0</param>
+        <param name="SlatWall_pitch" type="float" precision="2" max="9999" gui-text="pitch" gui-description="vertical spacing of slots middle to middle (in mm)">101.6</param>
+        <param name="SlatWall_edge_width" type="float" precision="2" max="9999" gui-text="edge_width" gui-description="space below holes of FingerHoleEdge">1.0</param>
+        <param name="SlatWall_hook_extra_height" type="float" precision="2" max="9999" gui-text="hook_extra_height" gui-description="space surrounding connectors (in multiples of thickness)">2.0</param>
+    </page>
+    <page name="tab_4" gui-text="Example">
+        <image>./SlatwallStairs-thumb.jpg</image>
+    </page>
+</param>
+<label appearance="url">https://www.festi.info/boxes.py/SlatwallStairs</label>
+<effect>
+    <object-type>all</object-type>
+    <effects-menu>
+        <submenu name="Boxes.py">
+            <submenu name="SlatWall"/>
+        </submenu>
+    </effects-menu>
+</effect>
+<script>
+    <command location="inx" interpreter="python">boxes_proxy.py</command>
+</script>
+</inkscape-extension>
\ No newline at end of file
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallTypeTray.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallTypeTray.inx
index 87e8f030..e02e1915 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallTypeTray.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallTypeTray.inx
@@ -61,6 +61,7 @@
         <image>./SlatwallTypeTray-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/SlatwallTypeTray</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallWrenchHolder.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallWrenchHolder.inx
index 545bbd26..6e2e50db 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallWrenchHolder.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.SlatwallWrenchHolder.inx
@@ -50,6 +50,7 @@
         <image>./SlatwallWrenchHolder-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/SlatwallWrenchHolder</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.SpicesRack.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.SpicesRack.inx
index cd28db60..1aed13aa 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.SpicesRack.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.SpicesRack.inx
@@ -37,6 +37,7 @@
         <image>./SpicesRack-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/SpicesRack</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.Stachel.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.Stachel.inx
index 2d785d28..d5c44fce 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.Stachel.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.Stachel.inx
@@ -20,6 +20,7 @@
         <image>./Stachel-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/Stachel</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.StorageRack.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.StorageRack.inx
index bea91eed..9969dc09 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.StorageRack.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.StorageRack.inx
@@ -52,6 +52,7 @@
         <image>./StorageRack-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/StorageRack</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.StorageShelf.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.StorageShelf.inx
index 6a4ecfb0..e229321d 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.StorageShelf.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.StorageShelf.inx
@@ -117,6 +117,7 @@
         <image>./StorageShelf-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/StorageShelf</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.TrafficLight.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.TrafficLight.inx
index 9bb534c3..a0e93800 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.TrafficLight.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.TrafficLight.inx
@@ -35,6 +35,7 @@
         <image>./TrafficLight-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/TrafficLight</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.TrayInsert.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.TrayInsert.inx
index 4d5304dc..bd069991 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.TrayInsert.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.TrayInsert.inx
@@ -21,6 +21,7 @@
         <image>./TrayInsert-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/TrayInsert</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.TriangleLamp.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.TriangleLamp.inx
index 036c0d4e..529fd12f 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.TriangleLamp.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.TriangleLamp.inx
@@ -36,6 +36,7 @@
         <image>./TriangleLamp-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/TriangleLamp</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.TwoPiece.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.TwoPiece.inx
index 98d0e911..f57b14b4 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.TwoPiece.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.TwoPiece.inx
@@ -36,6 +36,7 @@
         <image>./TwoPiece-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/TwoPiece</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.TypeTray.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.TypeTray.inx
index e40cfd19..0000aa83 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.TypeTray.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.TypeTray.inx
@@ -118,6 +118,7 @@
         <image>./TypeTray-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/TypeTray</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.UBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.UBox.inx
index abc2c485..9dc53fd3 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.UBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.UBox.inx
@@ -120,6 +120,7 @@
         <image>./UBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/UBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.UnevenHeightBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.UnevenHeightBox.inx
index bed65ead..2c8c1900 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.UnevenHeightBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.UnevenHeightBox.inx
@@ -61,6 +61,7 @@
         <image>./UnevenHeightBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/UnevenHeightBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.UniversalBox.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.UniversalBox.inx
index 985b0058..8567fd9f 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.UniversalBox.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.UniversalBox.inx
@@ -130,6 +130,7 @@
         <image>./UniversalBox-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/UniversalBox</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.WaivyKnob.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.WaivyKnob.inx
index 9e0877d3..09b4ce01 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.WaivyKnob.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.WaivyKnob.inx
@@ -23,6 +23,7 @@
         <image>./WaivyKnob-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/WaivyKnob</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>
diff --git a/extensions/fablabchemnitz/boxes.py/boxes.py.WineRack.inx b/extensions/fablabchemnitz/boxes.py/boxes.py.WineRack.inx
index 664aacdb..338af13c 100644
--- a/extensions/fablabchemnitz/boxes.py/boxes.py.WineRack.inx
+++ b/extensions/fablabchemnitz/boxes.py/boxes.py.WineRack.inx
@@ -39,6 +39,7 @@
         <image>./WineRack-thumb.jpg</image>
     </page>
 </param>
+<label appearance="url">https://www.festi.info/boxes.py/WineRack</label>
 <effect>
     <object-type>all</object-type>
     <effects-menu>