Talk about throwing a wrench into the works. Responding to International Space Station (ISS) astronauts’ need for a wrench, NASA solved the problem by emailing a digital file to the ISS. The astronauts then 3D-printed the tool.
http://venturebeat.com/2014/12/18/nasa-has-emailed-a-wrench-to-astronauts-in-space/
http://venturebeat.com/2014/12/18/nasa-has-emailed-a-wrench-to-astronauts-in-space/
