The states claim that the federal government violated administrative procedures by waiving restrictions on Defense Distributed's downloadable gun files.
Five years ago, Cody Wilson launched what he now calls "the era of the downloadable gun", a time when anyone can use a 3D printer to make a working firearm. They also say such guns are still subject to federal laws, such as a requirement that all guns contain metal parts, and state laws that require serial numbers.
But the administration of U.S. President Donald Trump had failed to adequately explain why it settled the case and allowed the publication of the blueprints, Ferguson said.
Wilson said his site was IP blocked in New Jersey, Pennsylvania and Los Angeles, meaning visitors with IP addresses in those places can't easily reach it. A federal court ruled Sunday that residents of Pennsylvania will not be permitted to download plans to print these guns on 3D printers.
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State officials say they've stopped a company that makes 3D downloadable guns from making them internet-accessible in Pennsylvania and from uploading new files.
3-D printers allow a user to "print" objects in plastic, with a heated nozzle that can travel left, right, up, and down, following specific instructions contained in a computer file. We reach unsafe ground when we let the government - federal, state or local - tell people what information they can and can't share over the internet. The company promises that by joining, members "do more than protect the Second Amendment". "We have the right to share it. Pennsylvania has no right to come in and tell us what we can and can't share on the internet". The lawsuit states that "among these controls are criminal laws, including the Pennsylvania Uniform Firearms Act".
The guns produced on 3D printers are made nearly entirely out of ABS plastic, the same material used to make Lego bricks. The federal government had prevailed at every step in the court process, according to PBS, until they suddenly agreed to settle Wilson's lawsuit out of court, allowing him to distribute the plans and even giving him $40,000 in legal fees. But due to the pending legal battle, Wilson has chose to abide by the cease-and-desist orders, and will not make DEFCAD available in Pennsylvania, New Jersey, and Los Angeles.
The federal government had been fighting the case since 2015, when Defense Distributed founder Cody Wilson, a self-described anarchist, sued the State Department over a 2013 order demanding that he take down blueprints for "the Liberator", a single-shot.380 caliber handgun made nearly entirely of 3D-printed plastic.