Current version 1.5.0 - release notes.
This experimental FreeCAD workbench is used to create interlocking cut parts from 3D to 2D SVG. It was created for laser cutting but can work with CNC router.
Important Note:
This is still experimental and as a consequence, not reliable. You must check parts before doing the laser cut.
Please double check the results of this module!
This panel appears when "Laser cut Interlocking" workbench is selected:

Generate box without connection.
Create tabs/slots connection. (Interlocking tool)
Create node for cross connection. (Crosspiece tool)
Generate rounded box without connection.
Create bend surface with living hinges.
Project parts to 2D plan in order to export in SVG format. (Export tool)
Install this Addon via the builtin FreeCAD Addon Manager.
- Locate LCInterlocking in the Addon Manager
- Install
- Restart FreeCAD
Result: 'Laser cut Interlocking' will be available via the workbench dropdown menu.
Expand this to read more about manual installation of LCInterlocking FreeCAD Addon
- Download the repository as zip via the Github interface or use
gitto clone the repo via the command line using:
git clone https://github.com/execuc/LCInterlocking .- After the download completes, the module must be moved to the
Modsubfolder of the Freecad install directory.
- On Linux:
/home/<username>/.local/share/FreeCAD/Mod - On Windows:
C:\Users\<username>\Appdata\Roaming\FreeCAD\Mod\ - On macOS:
/Users/<username>/Library/Application Support/FreeCAD/Mod/
- Restart Freecad and the LCInterlocking module should be detected.
It is advisable to show the FreeCAD report view and to redirect the python errors to show module warning/error.
If you encounter a bug please participate in the dedicated FreeCAD discussion thread and open a ticket in this repo's issue queue.
- Box generator/interlocking/inkscape: https://youtu.be/YGFIdLpdWXE
- Box tool: https://www.youtube.com/watch?v=wuu_lRsXGd0
- Rounded box tool: https://www.youtube.com/watch?v=lEOgZ6k9Vxw
- Crosspiece: https://www.youtube.com/watch?v=tIchogx5BLE
- Rounded corner: https://www.youtube.com/watch?v=KSnMxqjA_-Q
LGPL v2.1


