Yoshitomo Imura, an employee at the Shonan Institute of Technology in Japan, was arrested last may for printing and firing a 3D-printed gun called the ZigZag. He printed three guns in total and was arrested for running afoul of Japan’s strict gun laws.
The prosecutors warned that Imura’s actions were a threat and felt he was “flaunting” his skill. They wrote:
Imura claimed he didn’t know about the laws associated with 3D printing guns but, it seems, the Japanese courts have made him an example.