It is a adjustable spoolholder. You needed four bearings 608. Print instructionsPrint the screws with 100% infill.
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updated November 3, 2019

Makes

Comments

Nice design! I printed in in PETG

It works good, thank you.

Couldn't print it at 0.2mm so I printed it in 0.1mm for the wheels and 0.2mm for base. Works as expected

Works nicely, though sliding the parts onto the rail is a little tight.

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