terry88

What kind of different materials? There is number of existing solution for multi-material 3D printing. It's rather commonly available for plastics but you can find metalic or ceramic ones too, albeit I guess that those are crazy expensive. Just google and you'll find a lot of reading about different technologies from different companies. 

NASA announced Wednesday that it will send, not one, but two spacecraft to Venus this decade as part of its efforts to ramp up exploration of the closest planet to Earth.
The decision was hailed by scientists who study Venus and have felt neglected by a space agency decidedly more interested in Mars. NASA has not sent a robotic spacecraft to Venus since the launch of the Magellan orbiter in 1989. Launched by space shuttle Atlantis, Magellan made a controlled entry into the Venusian atmosphere in 1994 after collecting reams of data that have tantalized scientists ever since."

NASA announced Wednesday that it will send, not one, but two spacecraft to Venus this decade as part of its efforts to ramp up exploration of the closest planet to Earth.
The decision was hailed by scientists who study Venus and have felt neglected by a space agency decidedly more interested in Mars. NASA has not sent a robotic spacecraft to Venus since the launch of the Magellan orbiter in 1989. Launched by space shuttle Atlantis, Magellan made a controlled entry into the Venusian atmosphere in 1994 after collecting reams of data that have tantalized scientists ever since."