Ender 3 PSU fan cover for external mounting
thingiverse
This cover protects the PSU fan of the Ender 3 for outside installation. It should fit any 60 mm by 60 mm by 25 mm fan perfectly. The Noctua NF-A6x25 fan I initially intended to use wouldn't fit inside the casing, so I removed the metal fan cover from the case and installed the fan on the exterior. To run this fan at 12 V, you will also need a DC-DC converter. This part is based on one used in https://drucktipps3d.de/ender-3-luefter-tauschen-in-arbeit/, but unfortunately, I couldn't find it here.
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