A 3D model of a cable-stayed bridge, featuring sleek metallic towers, glass deck, and diagonal cable stays, with a modern minimalist aesthetic. It has clean lines and high detail, suitable for architectural design displays and engineering visualization.

A 3D model of a Pedestrian Overpass, featuring covered roof, staircases, and metal/glass handrails with a modern and minimalist aesthetic. It has low polygon count and detailed textures, suitable for urban transportation and public places.

A 3D model of a slope warning sign, featuring a red and white triangular shape with "10%" text and a black slope icon, in standard traffic sign design. It has low polygon count and is suitable for roadway safety and traffic guidance.

A 3D model of a traffic warning sign, featuring a triangular red-bordered, white background with black bus illustration and diamond-shaped symbol, and a standardized design. It has a low-poly 3D model with high detail and is suitable for traffic safety education.