But in the past three days, more than 2,500 people have downloaded Wilson's blueprints for 3D-printed AR-15 style assault rifles. "Anyone can use it for commercial, non-commercial purposes.

A federal judge on Tuesday issued a temporary restraining order to block access to the 10 blueprints that detail how to make 3D-printed firearms, from handguns to AR-15 style rifles.

AUSTIN, Texas — A federal judge on Tuesday issued a temporary restraining order to block access to the 10 blueprints that detail how to make 3D-printed firearms, from handguns to AR-15 style rifles.