If you want to step up from 2.5D projects and do some "real" 3D milling, can you do it without spending money on a CAM program? Keeping my promise of being openminded and trying out other CAM software, this week I'm looking at two options.
More info about the STL file format: http://en.wikipedia.org/wiki/STL_file...
Disclaimer: This video cannot take the place of a proper tutorial.
Programs Used:
http://pycam.sourceforge.net/
http://mecsoft.com/freemill/
http://openscam.com/ (visualization)