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Tinkeriffic BB Bearing 40mm Spool Spindle
A tinkertoy-compatible BB-based spool spindle.3D printer parts and enhancements
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Nothing fancy here, just a remix of of my 32mm Tinkeriffic BB Bearing spindle. This one fits snugly in a 40mm spool.
This three-part solution (thirteen parts, if one counts the 4.5mm BB's (http://bit.ly/1ngex61) is designed to use a Tinkertoy rod as an axle and is a much, much smoother ride for your filament spools.
I found inserting BB's into the original 608 bearing to be frustrating so I split the bearing in two and left it to the end user to super glue the parts together.
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