In the ongoing debate over 3D printed guns, opinions are divided. Some support the technology, others oppose it, and many call for stricter regulations. However, once again, members of the FOSSCAD community—short for Free Open Source Software and Computer Aided Design—are at the center of another development in this controversial field. According to the blog "The Truth About Guns," users named Warfairy and Frostbyte are working on a .38 caliber Zig-Zag revolver using 3D printing technology.
This isn’t the first time such a project has surfaced. In May, a 27-year-old Japanese student named Yoshitomo Imura was arrested in Japan for creating and possessing five 3D-printed guns. According to the Antarctic Bear 3D Printing Network, his design was also a Zig-Zag revolver. The gun featured grooves that allowed it to fire multiple rounds. He was caught after releasing videos showing the gun firing five bullets, though some sources claim he only fired blank rounds.
Imura’s arrest sparked outrage online and inspired the FOSSCAD community to create a new version of the gun, now called the "Imuragun." This replica is based on the same Zig-Zag principle as Imura’s original design but includes improvements like steel bushings and chamber sleeves. What makes this model unique is its automatic function: once the trigger is pulled, the cylinder rotates, the striker lifts and releases, allowing the gun to fire rapidly. This means the Imuragun could potentially fire bullets at high speeds.
Although still in development, the project has already produced several printed parts, with photos showing different components being manufactured. According to the Antarctic Bear 3D Printing Network, the design process is documented through various social media updates, suggesting that all work was done using a basic desktop 3D printer.
However, there are concerns about the safety and functionality of the design. As noted by the team behind "The Truth About Guns," the tensile strength of the proposed materials is very low. Traditional revolvers rely on a metal frame to withstand the pressure generated during firing. In contrast, this 3D-printed version lacks such structural support, which could lead to failure under stress.
While it remains to be seen whether a fully functional Imuragun will ever be produced, the project has already reignited discussions around the implications of 3D-printed firearms. With each new development, the conversation grows more intense, and it's likely we'll see more similar projects emerge in the future.
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