Just because LEGO Technic is technically a toy doesn’t mean that you cannot do solid engineering with it, like building ...

Sometimes it would be helpful if a 3D printed object could stretch & bend. Flexible filament like TPU is one option, but [NagyBig] designed a simple bracelet to ask: how about embedding rubber bands ...

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 ...

ASTM D1414 (D 1414) covers multiple properties of O-Rings. Part of the specification includes tension testing for determining the breaking force, tensile strength, and ultimate elongation of an o-ring ...

Sometimes it IS simply a matter of matching the damaged O-ring to a new O-ring from the box of assorted SAE O-rings you bought at the local auto parts store. Problem solved. But what if you can’t find ...