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The Phys.org article Artificial meat is now made in space, coming to a supermarket near you has me wondering

  • how many 3D printers have been in space?
  • how many 3D printers have been in space but not on the ISS i.e. have there been any on Chinese stations?

A bit of info on each would receive "extra credit", for example has it been tested yet, did it work?

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  • $\begingroup$ companion question: What replacement parts have been 3D printed on the ISS and then installed? $\endgroup$ – uhoh Oct 14 '19 at 4:01
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    $\begingroup$ I can expand in an answer, but made in space first demoed and flew 3D printers in the late 2010s, University students have flown a couple, and tethers unlimited flew one to the ISS along with made in space. I think NASA has a web page on additive manufacturing where you might be able to find the results of the phase-3 contracts they've awarded. $\endgroup$ – mothman Oct 15 '19 at 7:52
  • $\begingroup$ @mothman "How many X..." questions are sometimes difficult to answer without it becoming a list question. But I expect that you have enough information to at least estimate the total, and I think that would be a helpful answer. $\endgroup$ – uhoh Oct 15 '19 at 8:01

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