Makerbot Replicator 1 Filament Spool Holder
thingiverse
Filament spool holder for the Makerbot Replicator 1 and its clones. The spool spins smoothly on bearings, feeding filament evenly. Additional hardware required: 1x M8 threaded rod, 110mm long 3x F608 ZZ Flanged Shielded Bearing, 8x22x7 dimensions 1x M2.5x16mm panhead screw 1x M2.5 nut The threaded rod screws into the bracket and is secured by an M2.5 screw and nut. You may need to use a M8 tap to clean out the threads, as mine worked well with 0.2mm layer height. The inner spool holder uses one bearing pushed in from behind until seated. The outer spool holder takes two bearings, pushed in from each side. The knob features a flange on one side that must face the spool for proper pressure application to the bearing's inner ring.
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