40mm Fan mount and Base
thingiverse
Fan mount that fits 40mm fans. Just about any 40mm fan accessory will fit if you put a spacers on. I use it for a 5v fan that plugs into USB. It cools parts, it cools HD video transmitters, it blows solder fumes away. You need a couple.I use https://www.thingiverse.com/thing:4631116 and https://www.thingiverse.com/thing:2211780 .Completely useful little build!
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