About this 3D model

sorry for the german part names klein = small gross = large usable with the wade extruder. large gear: teeth: 39 hole and hexagon made for M8 hexagon head bolt small gear teeth: 11 hole: 5mm (for NEMA17 engine) axial hole 2.5mm for M3 thread. (Don't know if this works well. Haven't test it yet) axial distance: 40mm Still work in progress :3 Software used: Inventor 2012 Professional (Skeinforge44, Sprinter Firmware and Pronterface Host)