slim stepper cooler for Prusa i3 mk3
cults3d
THIS IS MADE Mike on prusaprinters, wanted to upload this so I can add it to my upgrades collection. This is a slim and significant lighter stepper cooler for a 40mm Noctua fan. It is lighter because it works without screws. In my tests the stepper is not geting warmer than 45°C. The shaft with the drivegear stay at nearly the same temperature. Even at a 6h print at 250/75 in a full enclosure. This prevents clogs by softening your filament to early. Print instructions Print it in PETG. You need a 40x40x10mm fan and you can solder it to your extruder fan, or get a 5v fan and connect it to the extra 5v slot in the einsy. Print it upside down.
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