This could open up a whole new arena for creativity ...
https://www.breitbart.com/big-government/2018/07/10/free-speech-3-d-printed-gun/
Cody Wilson’s Defense Distributed and Second Amendment Foundation (SAF) reached a settlement with the Department of Justice allowing unfettered publication of 3D gun files and other information in a case centered on free speech.
https://www.breitbart.com/big-government/2018/07/10/free-speech-3-d-printed-gun/