since both "ghost guns" and machine gun converters can be produced using 3D-printed parts, the schematics for which are now widely available online. But you can know about an issue and still be ...

Face it, we’ve all at some time or other looked at our hot glue guns, and thought “I wonder if I could use that for 3D printing!”. [Proper Printing] didn’t just think it, he’s made a ...