In this May 10, 2013 photo, Cody Wilson holds what he calls a Liberator pistol that was completely made on a 3-D-printer at his home in Austin. With the advent of 3-D printers capable of producing plastic weapons, the House voted on Tuesday, Dec. 3, 2013, to renew a 25-year-old prohibition against firearms that can evade metal detectors and X-ray machines. Wilson, founder of Defense Distributed, a nonprofit that advocates the free distribution of information on 3-D printed weapons, posted blueprints online for using the printers to make the pistol which he says he designed, before being ordered by the State Department to take them down after two days. He now is part of a demonstration planned for next week at the Texas Capitol. (AP Photo/Austin American Statesman, Jay Janner)
In this May 10, 2013 photo, Cody Wilson holds what he calls a Liberator pistol that was completely made on a 3-D-printer at his home in Austin. With the advent of 3-D printers capable of producing plastic weapons, the House voted on Tuesday, Dec. 3, 2013, to renew a 25-year-old prohibition against firearms that can evade metal detectors and X-ray machines. Wilson, founder of Defense Distributed, a nonprofit that advocates the free distribution of information on 3-D printed weapons, posted blueprints online for using the printers to make the pistol which he says he designed, before being ordered by the State Department to take them down after two days. He now is part of a demonstration planned for next week at the Texas Capitol. (AP Photo/Austin American Statesman, Jay Janner) Jay Janner AP
In this May 10, 2013 photo, Cody Wilson holds what he calls a Liberator pistol that was completely made on a 3-D-printer at his home in Austin. With the advent of 3-D printers capable of producing plastic weapons, the House voted on Tuesday, Dec. 3, 2013, to renew a 25-year-old prohibition against firearms that can evade metal detectors and X-ray machines. Wilson, founder of Defense Distributed, a nonprofit that advocates the free distribution of information on 3-D printed weapons, posted blueprints online for using the printers to make the pistol which he says he designed, before being ordered by the State Department to take them down after two days. He now is part of a demonstration planned for next week at the Texas Capitol. (AP Photo/Austin American Statesman, Jay Janner) Jay Janner AP

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