Metallum3D Metallum3D developed a pellet extrusion Multi-Material 3D Printing System. It consists of a Pellet Extrusion 3D Printer and a Microwave Sintering Furnace. The technology enables 3D printing, debinding and sintering - all in the same system. Metallum3D's system is compatible with metals, ceramics, plastics and flexibles. Metallum3D