In his blog at Fabbaloo, Kerry Stevenson reviews the moldjet technology by Tritone and how it took the usual 3D printing paradigm and twisted it backwards: instead of 3D printing the desired object, the technology 3D prints a mold. Read more here – https://www.fabbaloo.com/blog/2019/12/4/tritones-moldjet-technology-well-suited-for-production-use