Filament Guide for Ender 3 with logo and rollerby
Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:5042029.
Prints with default settings in Cura
youll want to glue a small washer inside the middle of the pulley to prevent it from sliding on the pin, or modify the model of the pulley to have an extruded notch in the center. (if you wish).