A 3D model of a bridge, featuring three arched metal structures with white finish and dark decking, and a minimalist modern aesthetic. It has a low-poly design and is suitable for architectural visualization and design projects.

A 3D model of a two-way arrow traffic sign, featuring a round red-bordered design with white background, red and black arrows, and a black-and-white striped pole, showcasing a clean functional aesthetic. It has low polygon count and is suitable for traffic scenario visualization.

A 3D model of a narrowing road warning traffic sign, featuring triangular shape, red border, white background, black narrowing symbols, and metal pole, with visible, standard warning design. Detailed 3D rendering, suitable for road safety education and navigation integration.

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.