About this 3D model

Don't lose steps! If you're overclocking your small nema to support more payload or speed you have to use it. It fits perfectly on small Nema motors 37mm long. Designed to be used with 50mm fan. Vitamins: - 1 short M3 screw - 2 washers (one between the motor and the air duct and other outside) Optionally you can use it with the thing http://www.thingiverse.com/thing:70981 just scaling to 1.25 to accommodate the 50mm fan.