Thumbscrew bolt head for flanged axle
thingiverse
Thumb knob for the flanged axle. Blue painters tape rolls are too large to slip into the dispenser through the notch, so it requires unscrewing the axle bolt easily. Would obviously be easier remixed to be part of the flanged axle but I'd rather stab myself than deal with modifying a .STL Printing the source flanged axle at 100% for the axle and 97% for the bolt makes it an easy thread fit. This thumbscrew part is sized to fit the 97% bolt. It will fit the 100% axle if printed at 102-103%. Tiny little dab of superglue to attach.
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