Good 3D printers now ... printer that has multiple heads. Here are a few pictures of test prints that use this technique. A Monoprice Mini printer with the stock extruder and hot end created ...

3D printing is a popular process ... Rather than mounting a second extruder, however, there’s a inkjet printer head delivering CMYK water-based inks. After the main extruder lays down each ...

They started with a 3D printer their lab had previously developed that can capture data and provide feedback as it operates. The researchers added three instruments to the machine's extruder that ...