Ender 3 Filament Arm Lock Ring
thingiverse
Designed a lock ring that rotates around the Filament Guide Arm: (https://www.thingiverse.com/thing:3223697) that allows you to still access the slot to install the filament. Reason why I decided to design this, was simply because my filament would occasionally work its way out of the slot in the arm which created a harsh filament angle to the printer head. This lock ring eliminates the filament slippage issue, as well as gives you another opportunity to customize your printer with another color.
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