A 3D model of a slope warning road sign, featuring a red and white triangular border, black slope pattern with "10%" text, and a road safety aesthetic. It has low polygon count and clean 3D rendering, suitable for traffic route safety information display.

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 pedestrian overpass, featuring metal frame and glass panels, and a minimalist aesthetic. It has clean lines and is suitable for urban public spaces.

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.