https://www.techradar.com/news/us-company-uses-loophole-to-dodge-ban-on-selling-3d-printed-gun-blueprints

Texas-based company Defense Distributed has resumed selling plans for 3D-printed plastic guns, despite the extension of an injunction to prevent it.

The company's founder Cody Wilson claims the ban only stops him publishing the plans online – a rule he can avoid by delivering them by file transfer, secure email, or on a thumb drive sent through the mail.