Ghost guns' can be partially made with a 3D printer, which anyone can buy. It's also a tool found in college classrooms.

D printing technology has become so advanced that functional firearms can be created, but what laws are regulating these ...

Julius Adeyera is converting vegetable oils into 3D printing bio-based resins that are as effective as conventional petroleum ...

What are 3D-printed guns and are they legal in the US and UK? - Authorities say the gun found on Luigi Mangione, who has been ...