A highly detailed, anatomically realistic human heart pendant designed specifically for professional jewelry investment casting. Features deep, aggressive muscular textures optimized for oxidation (blackening) and high-contrast polishing. The bail is seamlessly integrated into the vascular structure.The archive includes 4 print-ready files:

1) heart pendant silver Original size for SterlingSilver.2) heart pendant sprued — Original size with a professional casting sprue attached.

3) heart pendant gold — Scaled down to 80% for commercial Gold weight.

4) heart pendants gold sprued — with a professional casting sprue attached.

Technical & Jewelry Specifications:

Silver Version (100% Scale):

Dimensions 13 mm × 26 mm × 10 mm (with bail). Estimated weight in Sterling Silver (925): approx. 9.9 g.

Gold Version (80% Scale):

Dimensions 10 mm × 21 mm × 9 mm (with bail). Estimated weight in 14K Gold (585): approx. 7.2 g.

Bail Engineering:

Wall thickness is 0.6 mm in deep recesses up to 1.0–1.3 mm on ridges and edges (scaled version features 0.5 mm to 1.0 mm thickness).

Designed for maximum durability without excessive metal weight.

Casting Sprue Details:

The sprued versions feature a scientifically placed cone feeder (3 mm base tapering to ~1.7 mm at the touchpoint) positioned on the back-apex of the heart to ensure flawless metal flow and zero porosity.

Production & Quality Guarantee:100% Hand-Sculpted: Created entirely by a human artist from scratch. Absolutely no AI generation, neural networks, or automated filters used. Clean watertight solid mesh.Note: Digital STL files only. Commercial license allows printing this file for physical precious metal jewelry production and sale. Reselling, sharing, or redistributing the digital files in any form is strictly prohibited.

Recommended Settings for Jewelry Production:Printer Type: High-resolution Resin (SLA/DLP/LCD) is mandatory for jewelry master-models.Material: Castable / Burnout Resin (optimized for direct investment precious metal casting).Layer Height:0.02mm – 0.03mm to eliminate layer lines completely and save manual polishing time after benchwork.Infill: 100% (Solid) — mandatory for standard jewelry casting procedures.