The 3Doodler contains a mains-powered electric heater that melts plastic which then cools as it comes out of the end of the pen like a cake-icer. Working in a similar way to 3D printers, the pen ...
An curved arrow pointing right. The Lix pen is both a pen and a 3D printer. It melts and pours colored plastic through the tip, which quickly cools and hardens. It isn't the only 3D pen on the market, ...