Technology Review article on NASA’s tests to print human organs…but in space!  I have a hard enough time trying to get a Thingiverse model printed at the right scale and NASA’s doing this! https://www.technologyreview.com/2021/06/18/1026556/nasa-bioprinting-artificial-organs-space/

NASA inches closer to printing artificial organs in space

Researchers used 3D-printing to create human liver tissue that could soon be tested on the International Space Station.

MIT Technology Review