Fan holder for all metal hotend by http://www.3Draty.cz Made for 25x25mm fan. It's purpose is to blow on the first fins and heatbrake. It prevents SoftPla, PLA-D to soften in the heatbrake cold zone and cause jam.

Print in ABS, 0.2 - 0.4mm layer height, 0.6mm walls, 30% infill

Attribution - Creative Commons

hotend, 3draty, allmetal, fanholder