Some designs whisper romance. This one opens the door to it.The Heart Key Pendant Necklace turns a classic key silhouette into a flowing, open-heart form—light, elegant, and unmistakably emotional. The curves are deliberate. The negative space is intentional. Every line is meant to cast clean, polish fast, and sparkle without excess.
Engineered for jewelry manufacturers and professional designers, this Heart Key Pendant Necklace 3D model balances poetic form with shop-floor practicality. The pavé track follows the heart contour with consistent spacing, wall thickness is optimized for stable casting, and the streamlined shaft reduces finishing time at the bench.
Dimensions & ProportionsTotal length: 35.70mm
Heart head width: 17.52mm
Key head thickness: 2.34mm
Overall form: Slim key profile with open-heart silhouette
Wearing scale: Petite-to-medium presence, refined for daily wear and date-ready styling
Design & StructureOpen-Heart Key Head (French Romantic Style)
Fluid heart contour with symmetrical curled base
Clean negative space for lightness and visual flow
Optimized edges for smoother polishing
Elongated Key Body
Slender shaft enhances elegance
Balanced proportions prevent top-heavy wear
Casting-friendly geometry for production runs
Gemstone SpecificationsTotal stones: 19 round stones
Stone size: 19 × 1.1mm round cut
Estimated main stone weight (1.1mm): ≈ 0.006 CT each
Total carat weight: 0.095 CT
Setting method: Pavé setting
Distribution:
Continuous pavé tracing along the heart contour
Creates a complete, luminous heart outline
Included 3D Files
3DM
STL
Topology and tolerances are prepared for jewelry CAD workflows, prototyping, casting, and stone setting.
STL (Stereolithography, filesize: 2.65 MB), 3DM (Rhinoceros 3D, filesize: 1.17 MB)