The DeFCAD files repository, also known as the Defcad repository or Defense Distributed's CAD repository, refers to a digital storage space where computer-aided design (CAD) files for various printable objects are shared, particularly those that could be used in the creation of firearms or firearm components. As of 2021, this repository has been a focal point in discussions around digital sharing of gun designs, 3D printing, and the Second Amendment in the United States.
While the legal teams fought, the repository remained alive via the "Ghost DefCAD" — an unofficial API scraper. In 2021, a developer known as "Decker" released a Python script that scraped the subscription-only DefCAD site using machine accounts, reposting every new file to a torrent tracker named "The Odysee." defcad files repository 2021
In early 2021, the legal landscape shifted from challenging the government to circumventing court orders through technology. The DeFCAD files repository, also known as the
: A widely used 3D-printable frame released on January 21, 2021. K-CAD Suppressor Pack v1 In 2021, a developer known as "Decker" released
Throughout 2021, several U.S. states moved to pass laws specifically targeting "ghost guns" or unserialized firearms. These laws often focus on the possession of components that lack serial numbers or the act of manufacturing them without a license.