Whew that's a relief

Most of the designs for full 3D guns don't last more than a few rounds.
AR15 3D printed lowers melt.
The cheapest metal 3D printer is $100,000.
It has never been illegal to make your own firearms from parts at the hardware store.

This one actually made me stop and laugh.

I changed the ink cartridge once.

Credit: Babylonbee.com