Expandable Cup Holder
thingiverse
This object has not been printed by myself, I just designed it to share with others. Some adjustments might be required. This is an expandable cup holder for custom tumbler makers. It attached to the end of the cup turner and you adjust the knob to press against the inside of a tumbler cup. Hardware not drawn or shown. Bolt through middle should be .3 inch or smaller in diameter. Bolts through links should be .155 inch or smaller in diameter. I doubt PLA will be strong enough to hold the weight of a cup, should probably be printed with PETG or something similar. Please visit Theglittergrind.com if you make custom tumblers for the best quality glitter.
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