The Story Behind The First 3D Printed Wrench In Space [Video]

You may recall that late last year, a breakthrough in manufacturing occurred a few hundred miles above the Earth.

After having sent a 3D printer to the International Space Station and printed its first object, a file for a functional ratchet wrench was emailed to a laptop and printed, marking the first time an object designed on Earth was digitally transmitted into space and manufactured.

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