Solidoodle 40mm Fan Bracket for Nema 14 Stepper
thingiverse
To cool down the overheating X-axis stepper motor after constructing an enclosure, a 40mm fan bracket was designed. The bracket fits snugly around the stepper and features two screw holes for attaching the fan. Due to the short leads of the ordered fan (http://www.amazon.com/gp/product/B002OFL1J8/ref=oh_details_o01_s00_i00?ie=UTF8&psc=1), 12V was tapped from the LED power supply running along the frame's top edge.
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