Fan on a pole
thingiverse
Bracket mount for small circulation clip-on fans used in grow tents. All available designs are too bulky for these light weight fans. Based on BudDoc's design https://www.thingiverse.com/thing:5165424 , I did another, smaller, and mounts under or over the bracket. Fan hinge is 18mm outside width. For 2 pole sizes 16 & 22mm. Use support and 3 shell counts for strength. I used 38% line infill and it works just fine. Btw I had to use longer screws instead of the original fan ones. Added a 13mm inner spacer so the hinge doesn't cave in when tightening. (blue spacer inside hinge 1st photo)
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