Nema 17 Universal Motor Cooler


For a newer and improved version on my own website, go to



Summary Due to heat my extruder motors do not perform so well with long prints. So I made these simple solutions for cooling them :-). Because I have more than one printer and they are all slightly different, I have 4 different models. Also the fan size and model varys: see picture Then there are 2 Nema17 motor sizes: see picture The snail house fan works in opposite direction :-) That was easier :-) Printed in PET-G

Design Files

File Size

784 KB
690 KB
740 KB


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