Photos: How NASA astronauts are 3D printing in space

Launch of the printer

The Zero-G printer was sent into space to the space station on September 21, 2014. It's the first time in history that we have been able to manufacture things off the surface of Earth.

Image: NASA

By Lyndsey Gilpin

Lyndsey Gilpin is a former Staff Writer for TechRepublic, covering sustainability and entrepreneurship. She's co-author of the book Follow the Geeks.