For inventors, transitioning from a great idea to a working prototype can be an arduous task. Lucky for DIY types there are now low cost 3D printers available.  In front of a crowd of 850+ Ignite enthusiasts from Phoenix, @DocProfSky shares his enthusiasm of 3D printing and talks about the MakerBot Cupcake CNC printer. Filmed at Ignite Phoenix 9 during GIW11 on 2-11-2011. Organized by Jeff Moriarty, Jana Knapp Alan Dayley and more Check out more talks from Ignite Phoenix ...