Ender 3 pro part cooling
thingiverse
This is the remit of the slim version of the "Creallity Ender 3 Cooling Fan Duct - NEW UPGRADE" I just added a back plate to disallow the airflow to go behind the hotend. Ender 3 / Pro have a bad part cooling design. The heatsink cooler fan just blowing the air behind the hotend to the bed.
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