Latest version v2.02: https://github.com/basile-laderchi/BasWheel Notice: LEGO Technic axle compatibility not tested. Ideas from http://www.thingiverse.com/thing:21486, http://www.thingiverse.com/thing:17514 and http://www.thingiverse.com/thing:5713 v 1.14, 23 July 2013 : Added magnet_diameter (used if you need holes for neodymium magnets on the servo_hub) and magnet_offset parametersThe OpenSCAD Parts Library (http://www.thingiverse.com/thing:6021) is needed. (not included) The Lego axle size 2 from (http://www.thingiverse.com/thing:66884) is needed. (not included)