3D FIREARMS-PROHIBITS

Amends the Criminal Code of 2012. Creates the offense of unlawful use of a three-dimensional printer to create a firearm. Provides that a person commits the offense when he or she knowingly uses a three-dimensional printer to create a fully functioning firearm. Adds exemptions for: (1) a person who possesses a license to manufacture firearms under the federal Gun Control Act of 1968; (2) a person who is actually engaged in the business of manufacturing and selling any piece or part of a firearm, but only with respect to the activities which are within the lawful scope of that business; or (3) a person who uses a three-dimensional printer to create a prototype of a firearm. Adds definitions of "prototype" and "three-dimensional printer". Provides that a violation is a Class A misdemeanor.