Iron Man 2s Secret Sauce: 3-D Printing May 7, 2010 By Talena Weingartner http://www.fastcompany.com/1640497/ironman-2s-secret-sauce-3-d-printing Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)MoreClick to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)