Ender 3 4020 fan duct
A cooling fan duct to replace the stock 4010 fan with a 4020 fan. It reuses the stock fan hardware to mount to the Ender 3 hotend. The fan will need 2 m3 nuts and 2 m3*20 bolts. Hardware needed 2x m3 nut 2x m3*20 bolt
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