You can find plenty of models for small shelves that can be printed in one piece, but for the most part, 3D-printed shelves consist of multi-part projects that need to be assembled. However ...

An experimental new non-electronic bot, however, can be 3D-printed all in one piece, and it's powered by nothing but air. The soft-bodied robot was created by postdoctoral scholar Yichen Zhai and ...