LDO stepper cooler 30mm fan
thingiverse
The stepper on my Orbiter extruder was getting a lot hotter than I like. I made this to cool it down. Uses standard 30mm fan (24 volt on ender 3 pro) This should be wired in to the hotend cooler fan. Not the part cooler. Update: v3 should be a better fit and not crack trying to install it over the motor. I added slots around the clips and opened up the clearance for the wires.
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