FAB@Home
http://video.popularmechanics.com/services/player/bcpid1213900627?bctid=1231030451
RepRap
http://reprap.org/wiki/Main_Page
Thingiverse
Makerbot
Ultimaker
https://shop.ultimaker.com/en/
http://blog.makezine.com/2011/08/01/ultimaker-theres-a-new-3d-printer-in-town/


