A 3D model of a bridge, featuring a red arch, transparent railings, and side staircases, with a modern minimalist aesthetic. It has low polygon count and is suitable for pedestrian access and urban landscape.

A 3D model of a Traffic Warning Sign, featuring a triangular shape with red border, white background, and black car/curved road illustration, mounted on a metal pole. It has a highly visible, warning-style aesthetic and low polygon design for clarity, suitable for road safety and traffic scenario visualization.

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 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）