I hope this is in the right section?
Saw this and wow!
http://www.newscientisttech.com/arti...volution.html#an open source 3D printer that costs just $2,400. The self-assembly kit is part of what they call the Fab@Home project. Finally, rapid prototyping made affordable!
http://www.fabathome.org/wiki/index.php?title=Main_Page
http://web.mae.cornell.edu/ccsl/temp...bDemoMovie.wmv