That box of assorted rubber O-rings under the workbench in your shop might supply the cure to leaky hydraulic connections, or it might just interrupt the leak for a day or two. Flat-face hydraulic ...
On January 28, 1986, the space shuttle Challenger exploded shortly after lift off, killing the seven crew members on board.
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 ...