I would not use the OpenGun project as any indicator of the 3D printing field. There was tremendous backlash from the 3D printing community over that one. Even the company who gave them their 3D printer got ****ed off and showed up at their door and took the printer back. It's unfortunate that it's the gun project that gets the news and my friend's who are developing ways to 3D print blood vessels for skin grafts and almost entire replacement limbs (which is next to a bloody miracle) get over shadowed by some yahoo who believes we should be shooting people. That's the media for you...
But 3D printers might potentially (will?) change the way in which we get "things". Soon people can just print out whatever they need. There are even some food printers out there (look up the BurritoBot). I've even seen someone that can print a T-Shirt directly onto someone's skin.
Times are a changin'!
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