Flexible filament like TPU is one option, but [NagyBig] designed a simple bracelet to ask: how about embedding rubber bands or o-rings into the print itself? Embedding objects into prints usually ...

Consider Example 4.D.3 from the lecture book. Here, a disk of mass is tied to a rubber band, with the opposite end of the rubber ban being tied to a peg at A. The disk is set into motion at the ...