cppcam
cppcam is a 3D CAD app for drafting G-Code toolpaths for CNC Routers
Use cppcam to generate great art with your CNC router.
1. import model
2. position model with resize or align
3. Add toolpaths as needed and configure each with:
a. set tool size
b. set stock area (work area)
c. configure the path(s) for the chosen toolpath type