6 links have been added on 2 ideas about #3d-printing.
  1. aka bioprinting, its a thing already https://3dprintingindustry.com/news/scientists-3d-bioprint-articular-cartilage-protheses-from-stem-cells-196713/

  2. 3D printed bones can offer a better chance of success than bone grafting when treating accident victims or people suffering from bone diseases. Check out this article here!https://www.advancedsciencenews.com/3d-printable-bone-replacements/