About this 3D model

Mecanum wheels designed to fit onto low-cost ($3.40!) continuous rotation servos for a low cost rover/robot platform (less than $25?). New video : http://www.youtube.com/watch?v=QE9Zacy5AdE Newer Video with Chumby+iPhone+Android Love : http://www.youtube.com/watch?v=cB-6qN8dbVQ Spraying on some "Plasti-Dip" seems to have improved traction greatly :- http://www.youtube.com/watch?v=-33-aXVN8e0