Pololu 37D gearmotor
youmagine
This is an OpenSCAD model of the Pololu 37D gearmotor, available online at http://www.pololu.com/category/116/37d-mm-gearmotors. It's designed to compare dimensions with a motor mounting bracket. I left out the two power terminals on the back of the motor. A test print matched the actual item within 0.1mm in every area I checked, but please double-check the dimensions yourself if you're using it for something critical. I created a mounting bracket for this motor at https://www.youmagine.com/designs/pololu-37d-motor-bracket.
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