50mm fan air duct
thingiverse
This thing is the 2nd modell i ever made. I'ts a funneled air duct. I made it for a 50mm standard computer fan. I made it with my printrbot in mind. but i guess it can be used with any printer. The bracket only fits printerbot i guess. Instructions I printed this as one of the first things on my printer. Not calibrated well back then so i don't forsee any problems.
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