Since the 1.0 announcement for flet.dev I have been working on making small apps to make DXF files for CNC projects with drawn previews.

https://studio.flet.dev/run/bicQWc3Aul/

which is now at a working state for rabbet joinery boxes with a sliding lid, or omitting the lid:

https://community.carbide3d.com/uploads/default/original/3X/...

Next up is a hinged lid option and cleaning up the wireframe preview to look better/be more accurate.