Nature is replete with slender filaments that bend and coil—from climbing grape vines, to folded proteins, to elephant trunks that can pick up a peanut but also take down a tree.

Trying to untangle a knot in a mess of strings can be frustrating and time-consuming. But not so for molecular ...

There’s a rule of thumb when it comes to FDM printing that overhangs are really only possible to an angle of around 45 ...