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 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 bridge, featuring three arched metal structures with white finish and dark decking, and a minimalist modern aesthetic. It has a low-poly design and is suitable for architectural visualization and design projects.

A 3D model of an airport warning sign, featuring a triangular red-bordered sign with a black airplane icon and black-and-white striped pole. It has a low polygon count and a clear, warning-style aesthetic, suitable for airport traffic safety scenarios.