nasa3d.arc.nasa.gov/detail/wr…
This isn't the first 3D-printed object made in space, but it is the first created to meet the needs of an astronaut. When International Space Station Commander Barry Wilmore needed a wrench, NASA knew just what to do. They 'e-mailed' him one. This is the first time an object has been designed on Earth and then transmitted to space for manufacture.
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Victor Cheung