Thingiverse
NEMA17 Stepper Motor Cooler - 40mm fan and heatsink mount
by dellrio
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For some types of motors scaling this to 99% in your slicer will produce a tighter fit on the motor.
Added a second option with a fan guard printed into the model. Nothing fancy just something to protect fingers and fan.
No hardware is needed for this, just insert fan, 40*40*11mm heatsink (mine came off ebay from china for less than $2 shipped - but 3 months for delivery) and press on the base of a NEMA17 stepper motor. Be sure to check for clearance all around.
On my printer I did not
Added a second option with a fan guard printed into the model. Nothing fancy just something to protect fingers and fan.
No hardware is needed for this, just insert fan, 40*40*11mm heatsink (mine came off ebay from china for less than $2 shipped - but 3 months for delivery) and press on the base of a NEMA17 stepper motor. Be sure to check for clearance all around.
On my printer I did not
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