A 3D model of a traffic sign, featuring circular red-and-white design with a black bicycle icon and minimalist warning aesthetic. It has low polygon count, high detail, suitable for traffic regulation scenarios.

A 3D model of a pedestrian traffic sign, featuring a red circular border, white background, and black walking figure icon, with minimalist regulatory design. It has high detail, clean edges, and is suitable for road safety simulations, architectural visualizations. (类目纠正：原Other → Traffic Signs)

A 3D model of a traffic sign, featuring a circular design with red border, white background, yellow circle, black vehicle icon, and blue wave lines, in a warning style with iconic, simple aesthetics. It has low polygon count, clear outlines, and is suitable for traffic scenarios and road safety warnings.

A 3D model of a traffic sign, featuring a circular red-bordered design with a white background, black pedestrian pushing a wheeled object, and a metallic pole. It has low polygon count and high detail, suitable for traffic safety and road warning scenarios.