Check out the comments on the original posting.

Check out the comments on the original posting.

Originally shared by Marcus Wolschon

Designed the algorithms for a 4/5 axis g-code generator in my head.
It perfectly doable.
Including the handling of a simple collision detection (and thus non - convex surfaces).

marcus are you aware of @FreeCAD ? here is currently work being done to add cnc functionality to Freecad, maybe you could get involved?

I did’t know they where far enough with their CAD to even care about CAM. Aparently a lot must have happened in the last few month, since I tried it.

this one?
http://sourceforge.net/apps/mediawiki/free-cad/index.php?title=CAM_project

thats the old wiki. you are best looking on the forum.