Makerbot Spool Holder
thingiverse
Just another precision accessory for the discerning maker. For the Makerbot Replicator2, specifically designed to work seamlessly with Hatchbox 55mm I.D. spools. This ingenious device eliminates drag-causing uneven extrusion issues once and for all. To build this innovative solution, you'll need two high-quality 1412 Plastic Bearings from McMaster-Carr, part number 6455K43 - each one costing approximately $6.50.
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