Nema stepper motor cooler: for 40x40mm fans
thingiverse
my bottom stepper motors really got quite hot: roughly around 60°C - and that shouldn't normally be a problem, but to get the most power possible out of my Nema stepper, i came up with this clever little fan mount. prints in a snap without any support! mount it easily using a zip tie - actually, that's what i did: i used a 3.2mm wide one! you'll need: a nice sturdy 40x40mm fan four m3 nuts and four m3 x screws, the length of which will depend on your fan's height
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