https://phys.org/news/2018-08-states-sue-online-3d-printed-guns.html

It comes days after U.S. District Judge Robert Lasnik blocked the plans from being released until Aug. 28. He has scheduled an Aug. 21 hearing on the states' request to reverse the U.S. State Department's agreement with Austin, Texas-based Defense Distributed.

The settlement jeopardizes states' ability to enforce gun laws, including background checks, and puts public safety at risk, the complaint said. The availability of plastic guns threatens safety in prisons and jails and makes air travel more susceptible to terrorist attacks, the states said.