Governor Kathy Hochul and other New York state lawmakers want 3D-printer companies to block the printing of components used to create “ghost guns” – firearms without serial numbers that can be printed privately, easily avoiding a background check.

At a press event on Tuesday, Manhattan District Attorney Alvin Bragg said two 3D-printing companies had voluntarily agreed to adopt technology that would block the creation of guns using their printers; another digital design company agreed to remove some firearm CAD files (the printing blueprints) from their services, Bragg said. Lawmakers have proposed legislation that would make it illegal to s …

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