Simple drill bit sanding drum
thingiverse
This is a simple sanding drum designed for use with drills or electric screwdrivers. It features a standard hexagonal attachment piece for screwdriver bits and a 1mm slot for securing sanding paper. The top of the drum is cut at a 5-degree angle to prevent delamination across layer lines during use. I printed mine without supports, as I'm not concerned with the inner part's finish quality. In PLA, it should bridge satisfactorily. UPD: A revised version two has been added, which separates the shaft and prints it horizontally to enhance structural integrity. Given that lowering infill percentages won't significantly speed up printing, I recommend printing this at 100% infill.
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