Firearm legislation in the U.S. could undergo drastic change Dec. 9 if a law banning undetectable guns expires, creating a new set of problems for facilities that use the machines to keep out unwanted weapons. At the forefront of the movement to enforce the legislation are Democratic Sens. Charles E Schumer of New York and Bill Nelson of Florida,
Plastic Pistols: Is Banning 3D Guns Practical?
Concern for 3D weapons and regulations arose when a Texas student made a handgun with a home-based printer.