Nema 17 heatsink & cooling fan bracket

by FDM3DPrinting Aug 21, 2018
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problems with pla in enclosure prints failing to extruder led me to investigate temperature of the stepper motor on my Prusa i3 mk3. this is the second design I am trying to accommodate a heatsink. to do this I ordered a 40mm copper one with 10 mm thickness. CPU thermal paste. attached a 12v 40mm ball bearing fan in parrallel to the 5v stock fan. 4 hours into the print the stepper is barely warm, as opposed to ~50C° usually. the design of the enclosure is very well thought through and is a pleasure to assemble. thank you!