spool holder for Powerspec/wanhao i3
thingiverse
The spool holder that comes with the powerspec duplicator i3 is just a straight rod mounted on a bracket. This was causing bad print results toward the end of the spool for me. This will mount on the same bracket but uses 2 608 bearings and removes all resistance when pulling filament. You will need one each of the printed parts, 1 piece of 8mm or 5/16 allthread, 4 nuts (or 3 if at least one is a nylock), and 2 608 bearings. I had these parts lying around from other builds.
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