The final test was a blunt one. Maarten Logtenberg wielded a sledgehammer, which simply bounced off the sample, barely leaving a scratch. After two years of experimentation, the material was finally ...

Red Cat says it plans to build fleets of 3D printed autonomous “drone boats” for on-demand delivery, which might the very first mass production of boats using AM.

Mickey Mouse would probably give one of his trademark gloves (and maybe an ear) for a boat this cute. PRINTcess is most likely the cutest watercraft to have floated on calm waters in years, but its ...