NY bill would require a criminal history background check for the purchase of a 3D printer::Requires a criminal history background check for the purchase of a three-dimensional printer capable of creating firearms; prohibits sale to a person who would be disqualified on the basis of criminal history from being granted a license to possess a firearm.
Most 3d printed guns are either redesigns of existing guns replacing non pressure bearing parts with printed parts (look up FMDA17 a 3D printed Glock 17 equivalent) or mostly printed with pressure bearing parts being barstock or pipes (see FGC-9).