Someone on the buildlog.net forums asked for STLs for V-Rollers to build a bot so here is a version for 608ZZ, 603ZZ and the scad with variables to quickly create one for the bearings you have on hand.
vRoller-608zz.stl | 80.4KB | |
vRoller-dual603zz.stl | 131.0KB | |
vRoller-v2.scad | 967.0B | |
vRoller.scad | 788.0B |