A 3D model of a roundabout traffic sign, featuring a red triangular border, white background, and black circular arrows with a warning design. It has high detail and is suitable for road traffic guidance.

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 no entry traffic sign, featuring a circular red background with a white horizontal stripe and a worn, weathered appearance in a vintage style. It has detailed, realistic textures and is suitable for traffic simulation, education, or digital art. (Category corrected to: Traffic & Safety Signs)

A 3D model of a bridge, featuring modern metallic structure with arch-shaped spans and cable supports, and a minimalist modern aesthetic. It has high detail and smooth surfaces, suitable for architectural visualization, landscape design, or 3D scene composition.