As a man who loves things that come out of tubes, I am excited about the Discov3ry Extruder. Designed as an add-on to popular 3D printers, the system is essentially a plunger connected to a nozzle ...

While bits of plastic are the usual material for 3D printers, there are hundreds of other materials that are equally well suited for 3D printing. One of the most famous is chocolate, a material so ...