retroworks writes "J.D. Tuccille of the conservative think tank Reason Foundation discusses last week's news about the first working 3D-printed gun. According to the original article, the partly plastic '.22-caliber pistol, formed from a 3D-printed AR-15 (M16) lower receiver, and a normal, commercial upper' fired 200 rounds without any sign of wear and tear. Tuccille takes the discovery in the direction of politically topical gun control. '...the development makes it clear that a wide range of bans, restrictions and prohibitions are becoming increasingly unenforcable.' But in my mind, this example of additive-manufacturing technology raises even more questions about patent law enforcement. Will 3D printing be to the Anti-gray-market-alliance what online porn became to neighborhood blue laws?"