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A filament pulley used to guide the filament from the spool into the extruder.
Print the pulley parts and clean up the support in the ball bearings so that the balls can rotate freely. Print the holder parts. Click the pulley parts together and glue the holder parts (as described in http://www.thingiverse.com/thing:6919).
The openscad file uses the ball_bearing.scad file from http://www.thingiverse.com/thing:40559, you will need that file too if you want to render this thing new to stl files.
Filament Pulley with Ball Bearings by holgero is licensed under the Creative Commons - Attribution - Share Alike license.
So what's this mean?
We're sure holgero would love to see what you've printed - take a photo and share it on Thingiverse as a Make.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. You can also download the Thingiverse Mobile app (available via Google Play and Apple App Store) to take a photo and upload your Make right from the app!