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I never found a spool roller for the seemingly quite common 73mm wide (68mm at center of walls) spools that companies like ProtoParadigm and MakerBot sell, so I decided to make my own.
This spool roller allows standard 608ZZ roller bearings to be snapped in and stay secured without any additional hardware.
Depending on your printer, you may need to sand or file down the ridges that hold the bearings in place to avoid breaking the vertical risers.
Vitamin Free-ish 73mm Spool Roller by Physics_Dude is licensed under the Creative Commons - Attribution license.
So what's this mean?
We're sure Physics_Dude 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!