An adapter replacing E3D fan holder, which is often loose, avoiding noise from the hot end fan.
Tested with a Chinese imitation hot-end. Works well even without the tightening screws.
Part of the nixal_reprap4040 project: https://bitbucket.org/nixal/nixal_reprap4040
nixal_reprap4040_e3dSecureFan30mm.stl | 531.7KB |