Box fan holder
thingiverse
Well, I have my electronics kept in metal box and I wanted to design proper fan holder. I used my perfored metal plate which I use as base (which sort of explains the offsets for collumns), there are up to 4 collumns with holes for cables and top plate got holes spaced in a way that you can mount 80mm fan on top of it :) also this is really beta version!
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