Alex - showroom of unique products for sale on Ponoko Wed, 19 Jun 2013 08:20:18 GMT Alex - showroom of unique products for sale on Ponoko Omni Robot http://www.ponoko.com/showroom/Alex/4064 Parts to build a robot with three omnidirectional wheels. Sun, 21 Feb 2010 18:31:33 GMT http://www.ponoko.com/showroom/Alex/4064?time=Sun+Feb+21+18%3A30%3A10+UTC+2010 Alex