Preliminary version, a fan for CatNozzle, an allmetal hotend from Catalonia (Spain). It could be modded to any other hotend. Last updates and scad file here: https://github.com/ChemaFuji/CatPrinter/blob/master/extra/catnozzle_fan.scad

The original is 40mm fan. Added a 50mm fan version.

Instructions

You can see more here: https://sites.google.com/a/pentabyte.es/chemadesigns/home

Category: 3D Printer Extruders