54mm Spool Holder on Ball Bearings
thingiverse
This spool holder should snap tightly into a 54mm ID spool. It's engineered to ride smoothly on a 1" shaft, secured by three high-quality 6383K110 bearings from McMaster Carr. To keep everything firmly in place, I'm using 10-24x7/8" SHCS screws. The finger piece is designed with tapped holes for 10-24 threads, ensuring a secure fit. The holder was intentionally divided into two pieces to optimize print orientation and make it easy to swap out different "fingers" for spools of varying diameters. Please note that I haven't yet tested this holder, so the finger profile may need adjustments. Also, if your spool is extremely heavy, you might need to print one holder for each side.
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