Slightly off topic, but…
GoSol Crowd funding - http://www.gosol.org/FreeTheSun?
Making free construction methods and guides to build high-powered solar concentrators, including “digital solar tracking and 3D printed/CNC’d concentrator components for stream-lined shop production”.
This is the sort of thing Makers & Open Source can do for the world.
So where are the CAD companies?
“Sponsor this campaign and we will use a CAD software of your choice for our renderings and guides and show you logo on all our material.”
I’m a Co-developer backer - to help the community.