Marvelous Designer is a 3D garment design software used for creating realistic clothing and textiles in digital fashion. It allows designers to simulate fabrics, stitching, and garment construction, enabling them to visualize their designs in 3D. Marvelous Designer is used by fashion designers, animators, and game developers to create lifelike clothing and textiles for characters and digital fashion showcases. Its easy-to-use interface and realistic simulation engine make it a popular choice for digital fashion creation.