Bypass shank with a 6 x 4 mm pear ruby in a bezel and a 4.5 mm round diamond in a four-prong basket. Sterling casting weight 3.52 g, structural wall 1.89 mm. 29k polygons.

Ring size: US 7.5 / EU 56 (inner diameter 17.83 mm, ISO 8653). Modelled in real-world millimetres.

Included files

• Blender (.blend): Cycles studio scene with cameras and a 180-frame turntable, all textures packed
• FBX and OBJ + MTL: ring and stones, mm units
• STL: metal only, casting-ready

Casting STL: watertight single shell, 0 n-gons (quads + tris). Weights are for the raw casting in sterling silver 925; expect roughly 5-10% loss in cleanup. Stones are not part of the STL; order them to the listed mm sizes (carats are estimates).

Renders: Blender Cycles. Backgrounds and HDRIs are CC0 (Poly Haven).