A 3D model of a no entry traffic sign, featuring a circular red plate with a white horizontal bar and a metal pole, a minimalist, functional aesthetic. It has detailed, accurate proportions and is suitable for road entry control, vehicle/pedestrian prohibition.

A 3D model of a bridge, featuring distinctive arch-shaped towers, steel cables, and red base decorations, with a modern aesthetic. It has low-poly technical characteristics and is suitable for digital art, architectural visualization, or decorative design.

A 3D model of a bridge, featuring modern metallic structure with arch-shaped spans and cable supports, and a minimalist modern aesthetic. It has high detail and smooth surfaces, suitable for architectural visualization, landscape design, or 3D scene composition.

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.