http://prototypezone.com/blog Prototype and Rapid Prototype News from around the World! Thu, 03 Nov 2011 15:12:29 +0000 en hourly 1 http://wordpress.org/?v=3.2.1 http://prototypezone.com/blog/3d-printing-demo-ball-bearings/ http://prototypezone.com/blog/3d-printing-demo-ball-bearings/#comments Sun, 07 Feb 2010 16:21:10 +0000 Ivan http://prototypezone.com/blog/2010/02/3d-printing-demo-ball-bearings/ http://prototypezone.com/blog/3d-printing-demo-ball-bearings/feed/ 0