This ornate square signet ring 3D model features an elegant classical relief design inspired by vintage and baroque decorative motifs. The square top is richly engraved with symmetrical ornamental patterns, creating a luxurious and timeless appearance suitable for high-end men's jewelry.

The ring shank is solid and well-proportioned, with clean geometry and balanced weight distribution. Side surfaces are smoothly finished, while the interior is optimized for comfortable wear and reliable casting performance.

All dimensions, ring size, and technical parameters are clearly shown in the preview images. This model is professionally prepared for jewelry production, compatible with lost-wax casting, CNC machining, and high-resolution 3D printing.