jfruh writes "Defense Distributed, a U.S. nonprofit that aims to make plans for guns available owners of 3-D printers, recently received a federal firearms license from the Bureau of Alcohol, Tobocco and Firearms. That license doesn't cover semi-automatic weapons and machine guns, though — and there are questions about whether the legislation that defines that license really apply to the act of giving someone 3-D printing patterns. Experts on all sides of the issue seemd to agree that no clarification of the law would happen until a high-profile crime involving a 3-D printed weapon was committed." Link to Original Source
If it happens once, it's a bug. If it happens twice, it's a feature.
If it happens more than twice, it's a design philosophy.