Ultimate Ring Sizer Cone (US 3–15, Labeled)

This is a 3D-printable stepped ring sizer cone covering US ring sizes 3 through 15, designed for jewelers, makers, and anyone needing accurate ring measurements.Each step is clearly labeled, and the cone includes a side slot so you can easily slide rings on and off without twisting.Perfect for sizing existing rings or checking fit during custom ring design.✅ FeaturesUS sizes 3–15Each step labeled with the ring sizeIncludes inner diameter (mm) and inner circumference (mm) reference chartEasy-slide side cutout for quick ring removalPrints cleanly with no supportsComfortable shape and smooth transition between stepsBoost Me