A 3D model of a traffic sign, featuring red and white chevron patterns on a rectangular shape, with a high-visibility warning aesthetic. It has clean lines, minimal texture, and is suitable for road safety, construction zones, and traffic direction guidance.

A 3D model of a bridge warning sign, featuring triangular red-bordered, white-background sign with black bridge and wave graphics, on a metal pole, and a high-visibility standard design. It has detailed 3D modeling with crisp visuals and is suitable for road safety and traffic management.

A 3D model of a suspension bridge, featuring red steel towers, white cables, dark gray deck, and modern minimalist style. It has highly detailed clean lines and is suitable for architectural visualization or design references.

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.