A puppet master who helped bring to life Disney’s vision of an African animal kingdom was arrested last week for allegedly 3D-printing guns in the prop room of the Broadway theater, court records show.

New York Daily News reports that Ilya Vett’s printer was discovered when security officials were helping him clear out his possessions because he was about to lose his job. The officials spotted the 3D printer—and a gun in the making. Theater staff called the police, who arrived and found the printer “powered on, moving and in operation,” making a contraption that was “shaped like a revolver,” according to a criminal complaint written by NYPD Officer James Taylor.

Vett was charged with attempted criminal possession of a firearm. He was arraigned Saturday, with his case adjourned until November, according to NPR.

The national debate over 3D-printed firearms heated up this summer after the Department of Justice settled a years-long lawsuit with 3D-printed gun activist Cody Wilson, allowing him to publish blueprints for 3D-printed guns online through his Texas-based operation. But before he could start publishing plans again, 19 states and the District of Columbia sued Wilson, leading a federal judge to issue a temporary restraining order against Wilson’s plans.

3D printed guns look too much like a real gun and shouldn’t be anywhere in a public setting like a Broadway show.