3D printer maker, Desktop Metal is working on developing printers that could revolutionize the manufacturing industry. It is working on printers that can print in steel, aluminium and other metals. One which is a desktop printer and the other which is for mass production and is expected to be faster and cheaper than methods like welding and laser. They aim to make production using 3D printing scalable. We may just see metal 3D printers become the norm very soon!