Creality CR-20 Fan mod
thingiverse
I built a Fan-Mod for my CR-20 and it's performing flawlessly, particularly with temperature control. The mod is constructed from grey PLA filament by Das Filament in anthracite and neon orange PLA filament by 3D-Jake. No supports were required during printing. Four M3x16mm screws made of glue suitable for PLA (such as Uhu Alleskleber) hold the mod in place.
Download Model from thingiverse
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