So apparently Elon Musk has been toying with 3D hand gestures for designing and then printing/machining parts, and he says it works pretty well. Video demonstration due next week. I'm actually curious to see how the real thing works as opposed to the movies.
http://news.cnet.com/8301-11386_3-57599981-76/teslas-elon-musk-goes-iron-man-with-in-thin-air-gestural-design-process/ --- "How do I get rid of a Trojan Horse?" -Sailor_Kakashi "Leave it outside the gates of Troy overnight." -Davel23