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How astronauts 3D printed a wrench they needed in space

Lucas Mearian | May 21, 2015
This year, NASA and partner Made In Space Inc. are planning to install a 3D printing station on the International Space Station (ISS).

Now, if a specific tool is needed on the fly, astronauts must sometimes spend time creating makeshift items to fit the bill. Considering an astronaut's time costs about $40,000 an hour, using that time to build tools out of parts is more than a little wasteful.

"Imagine if you could remove the strain of all that added mass [in a spacecraft]... and time. You just build what you need when you need it," Dunn said.


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