The file 'Ultimaker Feeder Gear Mod (w Straght Teeth) 3D Printer Model' is (STL) file type, size is 561.5KB.
According to catohagen's request, I made a straight toothed version of my previous double helical feeder gear mod: http://www.thingiverse.com/thing:40334
(Also the knob can be found there too.)
big_gear_straight.STL | 514.8KB | |
big_gear_w_knob_straight.STL | 552.5KB | |
little_gear_straight.STL | 174.7KB |