Filament Guide for Printrbot Wooden Extruder
Description
This replaces a part on the Printrbot extruder assembly to keep the filament aligned with the knurl on the hobbed bolt to prevent misfeeds.
Instructions
Just replace the part!
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License
Filament Guide for Printrbot Wooden Extruder by Jerrill is licensed under the Attribution - Share Alike - Creative Commons license.

Fixed my Printrbot Jr. which was constantly jamming from an uneven feed ! Thanks!
I'm glad! It pretty much reduced my misfeeds to zero too!