A 3D model of a wind warning road sign, featuring a triangular red-bordered white background with a black-and-white wind sock, supported by a metal pole. It has a clean, high-detail design and low polygon count, suitable for road safety visualization and traffic-related scenarios.

A 3D model of a bridge, with stone/concrete materials, arched spans, and tower-like pillars, featuring a classical aesthetic. It has multiple arches and detailed railings, suitable for architectural visualization or historical scene restoration.

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 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.