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.

A 3D model of a suspension bridge, featuring stone piers, metal cables, and wooden planks, with a classical design aesthetic. It has low polygon count and is suitable for decorative display, architectural visualization, or scene restoration.

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 tunnel ahead warning sign, featuring a red border, white background, black tunnel icon, and metal pole. It has realistic texture and detailed design, suitable for road safety warnings and traffic signage.