Printrbot free-spinning fillament spool holder (using 608 bearing)

This free-spinning spool holder for the Printrbot Simple uses a single 608 skateboard bearing (readily available online) to allow the spool to spin freely, so the extruder doesn't have to do any unnecessary extra work overcoming friction.

3D printer parts and enhancements

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Description

I wanted a free-spinning spool holder that mounted onto my Printrbot Simple Metal, and one that didn't take a lot of material to print. This design uses a single 608 skateboard bearing (readily available online) to allow the spool to spin freely, so the extruder doesn't have to do any unnecessary extra work overcoming friction.

I'll be adding more spool sizes in the future. If you need anything, please let me know the spool hole size (diameter) that you need, and the brand of your spool.

The current list of available sizes are:
- 32mm for: Hatchbox
- 48mm for: Sainsmart

Depending on printer settings, you may have to adjust the dimensions to get the right fit - the bearing and the Printrbot z-guides should fit into the holes fairly tightly and not come apart easily.

Materials and methods

- Printrbot Simple Metal
- 608 skateboard bearing

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Comments

8ff948ca4cd0741ec91806305ebffe4a?default=blank&size=40David Wille added this to the Printrbot collection ago
71916817fac75c5cbbfa85922074a602?default=blank&size=40Yuan4114 published this design ago