40mm extruder 3D models

Printrbot Simple Extruder 40mm Fan

Fan holder for Greg X carriage and variants

40mm Supportless, Directed Cooling Fan Duct for MendelMax & Prusa

Robo 3D Hexagon hot end clip on fan ducts

40mm and 50mm fan guards

Simple 40mm/60mm Fan support for Jonas Kuehling extruder

40mm extruder cooling fan

Wade's Extruder fan mount (40mm)

Hotend 3DA-002 - FreeCAD, STEP / IGES

Q*Extruder V2 -

Dual 40mm Fan Mount for China Made E3D

Saintflint Extruder