This bold rectangle signet ring is designed with a large flat top that can be set with a gemstone or left polished for a sleek, minimalist look. The masculine proportions and strong edges make it an ideal piece for men’s fashion and jewelry collections. This 3D CAD model is built with precision, ready for 3D printing, CNC, or direct casting in precious metals. Perfect for jewelers, designers, and collectors, the model offers a versatile base for customization with stones, engravings, or logos.