This useful copper pipe diameter gauge is essential for any DIY enthusiast or professional working on plumbing or HVAC projects. Carefully designed, this 3D-printable tool comes with clearly marked measurements ranging from 3/16 to 7/8 inches, making it easy to quickly and accurately determine pipe diameters. Its ergonomic shape makes it comfortable to hold, while its durable material holds up to regular use. Whether you’re measuring fittings, checking compatibility, or organizing your workshop, this compact gauge provides reliable results every time. Perfect for makers, engineers, and hobbyists alike—print it once and use it forever.