Exxelia Micropen

This special military-edition 3D printer will be able to print more than 20 different materials into desired tools...(Interesting Engineering):

Think it .... Design it .... Manufacture it! This is the model the Micropen has adapted as we approach a complex of problems in design that have become more difficult, complex and smarter. Learn more about us: https://www.micropen.com/services/

A dual-extrusion 3D printer allows for the fabrication of objects made of plastic with metallic coating in certain areas (DesignNews):

This video shows the up close process or electronically printing an endotracheal tube. See for yourself:

A team led by GE Research received a multi-million dollar contract to develop 3D printed devices that collect moisture from the atmosphere and convert it into drinking water as part of DARPA's Atmospheric Water Extraction (AWE) program. Read more: