With that in mind, [Emily The Engineer] set out to make a third arm for popular YouTuber [This Old Tony], and our primary question is this: is it actually useful? The basic design is based around ...

knew that there were plenty of useful things you could make with a 3D printer, so they gathered up these handy 3D-printed objects. We added some of our own as well.

reusing coffee grinds with 3D printing to bring about consumer products, on behalf of Laughing Man, such as mugs, travel mugs, and home goods, that are affordable, user-friendly, and sustainable.