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Handy, man: Astronaut Barry Wilmore holding up the ratcheting socket wrench he assembled from 3D-printed components aboard the International Space Station. — Photo: Nasa

Your wrench is in the e-mail.

For the first time, engineers have e-mailed an object to space. When astronaut Barry Wilmore needed a socket wrench at the International Space Station, the company Made In Space e-mailed a quick design to Wilmore, who then printed the separate parts using a 3D printer and assembled them.