Lunar bases will be 3D printed on the moon.

Katarina Eriksson : space architect
Dr. Ondrej Doule : space architect
NASA's Jet Propulsion Laboratory :
Tomas Rousek : space architect
"In the future, we could build structures of entire cities on the surface of the moon by using solar energy," explains the team. "We can significantly decrease mass, costs and environmental impact if we don't need to send glue or other binding agents from Earth."