Ender 3 - 4020 Blower
thingiverse
On both of my Ender 3's the fans for the nozzle cooling died. So I decided to design a simple nozzle cooler for a 4020 fan. My 4010 was usually adequate. But I want to try it with a 4020. Maybe it will help with overhangs ;-) I printed it with ABS because it is temperature resistant and because it can be printed without nozzle cooling! -- 27.10.2021 -- Update -- I have improved the design again: - 1mm higher air duct - radii to guide the airflow better - small enlargement (0,1mm) to fit even better on the fan
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