Free 3D printable Tiara-style engagement ring designed for a 6×4 mm pear-cut gemstone. Features clean architectural lines fused with a comfortable, ergonomic band. Perfectly prepped for SLA/DLP resin 3D printing, direct casting, and easy stone setting.SPECIFICATIONS & METAL WEIGHT (US Size 6 reference):

• Gemstone Specs: 1x Pear Cut Gemstone (6.0 x 4.0 mm) — approx. 0.32 ct
• Sterling Silver (925) Weight: 2.55 g
• 14K Gold Weight (Est.): ~3.20 g
• Shank / Band Profile: Minimum 1.2–1.5 mm thickness for durability & comfort fit.
• Stone Seat: Properly pre-cut seat with clean azure opening underneath (no undercuts, ready for precise jeweler setting).

KEY FEATURES:

• Complete Size Range Included: Full set from US 4 to US 8 (individual, ready-to-print STL files).
• Production Ready: 100% manifold, watertight, error-free geometry optimized for resin printing and direct investment casting.

INCLUDED FILE FORMATS:

• .STL (Individual 3D printable files for each US ring size: US4, US5, US6, US7, US8 inside a ZIP archive)