[Camden Bowen] recently 3D printed a single-piston engine which nearly worked, and is back with some improvements to it thanks to a small carburetor. The carburetor itself isn’t 3D printed ...

[XYZAidan] has a process that can recycle paper into 3D cardboard-like objects. You need a 3D printer, but it doesn’t actually print the paper. Instead, you use the printer to create a mold ...

Beehive Industries, a company that 3D prints jet engines for unmanned military vehicles, will ramp up production at its ...