The first version, commonly known as the Grizzly 1.0, was developed in Canada by "Matthew" in August 2013 using a Stratasys Dimension 1200es printer, which cost approximately $10,000 at the time.
[2] Constructed from ABS plastic, the Grizzly 1.0 could fire a single shot before breaking due to strain.
[2] The Grizzly 2.0 maintained the .22LR caliber, used ABS plastic for its construction, and required minimal metal components—similar to the first version.
The only non-printable parts required were a metal firing pin, breech plate, and spring.
It remains a .22LR, single-shot, break-action rifle, designed for maximum printability with minimal metal parts.