3d printers By alexanderaustin15 Period: 200 to Nov 5, 800 Woodblock Printing https://en.wikipedia.org/wiki/Woodblock_printing Period: Nov 4, 1988 to Nov 5, 1990 3D Systems developed model SLA-250, which was the first version to the general public. https://wohlersassociates.com/MarApr08TCT.htm Period: Oct 5, 2011 to Nov 5, 2016 Roland DG Corporation introduced the new iModela iM-01. http://www.rolanddg.com/news_archives/2011/nr111005_im-01.html