4 links have been added on this idea.
  1. 3D printing of human organs could be the solution for treating critically ill patients during space exploration missions.

  2. Check this out! These scientists want to test out a 3D human-printed heart in a pig.
    https://www.freethink.com/science/3d-bioprinting-organs-on-demand

  3. 3D printing is the future of organ transplant and medicine