A 3D model of a traffic sign, featuring red border, white background, and a black arrow, with a highly visible, regulatory style. It has clean, 3D-rendered design and is suitable for road safety and traffic direction guidance.

A 3D model of a speed bump warning sign, featuring red triangular border, white background, black bump pattern and a road safety warning aesthetic. It has highly detailed 3D model and is suitable for traffic safety applications. (Category corrected: traffic warning sign)

A 3D model of a bridge, featuring an arched structure, metallic towers, steel cables, and a wooden deck, with a modern minimalist aesthetic. It has low polygon count and detailed structural details, suitable for landscape decoration and architectural design reference.

A 3D model of a deer crossing traffic warning sign, featuring a triangular red and white border with a black deer illustration, and a standardized safety aesthetic. It has low polygon count and precise detailing, suitable for road safety applications and driver warning. （类目纠正：traffic warning sign，原Other不准确，实际为交通警示标志）