Opensource options include: - Solvespace --- limited to 2D last I checked - FreeCAD has a workbench for CAM/toolpath generation - BlenderCAM is a plug-in for

Opensource options include: - Solvespace --- limited to 2D last I checked - FreeCAD has a workbench for CAM/toolpath generation - BlenderCAM is a plug-in for Blender which is well-regarded, and together w/ CADsketcher/BlenderCAD works well for some folks - Kiri:Moto - pyCAM --- a venerable option, it worked well ages ago when I used my son's gaming computer to make toolpaths. Rather rough (possibly outdated) list at: https://old.reddit.com/r/shapeoko/wiki/cam https://old.reddit.com/r/shapeoko/wiki/cam