pi 4b case for 90mm round cpu fan

pi 4b case for 90mm round cpu fan

thingiverse

The pi 4b need cooling !!! trust me. And the only silent fan i had that did the job was an old 90mm CPU fan, so just added a shroud to a box. works fine but could be refined. running node red and mqtt broker CPU stays at 36/38 degrees. enjoy.

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