🦷 Tooth Extruder Hotend Feeder by WINSINN Review

Just bought this set of 3 to upgrade my Ender-3, Ender-5 and CR-10. I opened them up and got ready to install, only to find that the small black set screws were missing from all three gears, rendering the product completely unusable.

Definitely grips better than regular brass, but. This is larger than the original gear and prevents the filament from entering the hole that leads into the Bowden tube. I have an Ender 3 max with a Creality brand aluminum extruder that I bought from Revain.

We have replaced the filament feed driver in our Flashforge Adventurer 3 Lite with this mechanism. This gear fits well, has full width teeth and is deeper than the original "gear" so it grips the thread better. This eliminated the rattling that occurred when the old gear slipped while trying to push the filament through. It also got the printer working again. No more under-extruded prints! Ps: There are several videos on YouTube showing how to change this gear. A prior look at them made the…