Filament Spool Holder - Bearing - No Friction Spinning
thingiverse
This design uses (2) 15267-2RS Ball Bearings, Double Shielded Miniature Deep Groove Ball Bearings 15x26x7 mm (from Amazon) inserted in each outter end of the outter sleeve. My G-code for the spool inner support spindle prints solid at the attachment point of the support shaft and the mounting base for a stronger support. The screw for the end cap is a 4x16mm. Inner and Outer spool parts may have to be adjusted to print by your machine to properly fit the bearing ID and OD.
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