A heart-shaped locking clasp designed for necklaces and chains, combining a decorative heart silhouette with a secure lobster-claw closure. Built at true jewelry scale — approximately 1 gram in 14k gold — this clasp is ready to drop into an existing chain design or use as a standalone closure for custom necklace and pendant projects.

Modeled in Rhinoceros with precise NURBS geometry for clean, production-accurate surfaces, then converted to STL using Materialise Magics for reliable 3D printing and casting.

Formats included: STL, OBJ, 3DM, FBXCompatible with: Rhino, ZBrush, MatrixGold, KeyShotUnits: Millimeters — print-ready, casting-readyIdeal for: jewelry manufacturers, chain and necklace assembly, custom clasp replacement, 3D printing studios

Questions about sizing or customization? Feel free to contact me directly.