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2020 Extrusion Spool roller

2020 Extrusion Spool roller

prusaprinters

<p>The separation between the rollers can be adjusted to width of the spool you're trying to print with.</p><p>I used 3D printed bearings with airsoft BB's, but you could also use normal off-the-shelf ball bearings. The inner diameter of the bearing should be 6 mm, OD is max. 22 mm.</p><p>Mounts using the nuts and bolts included with an Ender 3/Anet ET4 style filament spool holder.</p>

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