How are you going to stop the posting of weapon designs online?
They cannot even stop the uploading of illegal movies online.
States sue to block sale of 3D-printed weapon designs online
The controversy centers on Defense Distributed, a firm that began publishing gun designs in 2013, but was told to stop soon thereafter by the US State Department. The agency said that the company’s 3D-printed pistol designs were a violation of the International Traffic in Arms Regulations.
The government is completely ineffective at banning anything. Alcohol, inter-racial marriage, homo marriage, abortion, tranny use of public restrooms. You name it.
It’s one thing to ban it. It’s another to approve it an enforce it.