3D printing at home has become so mainstream that blockbuster movies are releasing 3D models directly from the screen to you. With that level of popularity comes the risk that 3D printers will be used for nefarious purposes. The production of “ghost” guns — guns and gun parts that are untraceable through standard serial number tracking — is a concern across the country, and several states, including Washington, Colorado, New York and California, have introduced bills that aim to crack down on a maker’s ability to produce these gun parts.
The language of these bills is currently broad and somewhat vague, which leaves several prominent makers concerned that the bills target the tool rather than the person using it. Several of these bills seek to add software that would recognize whether the 3D printer was printing something illegal and stop it. Some go even further and would require background checks for
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