In brief: 3D printers aren't always designed with portability in mind, but there's a use case for makers and tinkerers who are often on the move. The open-source Lemontron aims to fill that void by ...

If you’re used to thinking about 3D printing in Cartesian terms, prepare your brain for a bit of a twist with [Joshua Bird]’s 4-axis 3D printer that’s not quite like anything we’ve ever seen before.