to program 3D printers and create firearms—the only means of combating this unique threat—Congress seeks not to regulate the rights of computer programmers under the First Amendment to the Constitution of the United States, but rather to curb the pernicious effects of untraceable—and potentially undetectable—firearms. 3. Prohibition Section 922 of title 18, United States Code, is amended by adding at the end the following: (aa) It shall be unlawful for any person to intentionally publish, over the Internet or by means of the World Wide Web, digital instructions in the form of Computer Aided Design files or other code that can automatically program a 3-dimensional printer or similar device to produce a firearm or complete a firearm from an unfinished frame or receiver. .