Amazing video - both for its inspirational human story and for its insight into the promise of this technology and the re-birth of the American economy.
3-D printing will drive innovation and economic growth (as well as improvement to quality of life) for the next quarter century.
Just one more reason that I am moving +High Mountain Ventures into long positions in this category (DDD, SSYS or PLRB) with the next favorable entry point.
Jeffrey Ruppert