A 3D model of a road sign, featuring triangular shape with red border, white background, and black left turn arrow, and a warning design aesthetic. It has clean, precise edges and is suitable for road safety and traffic guidance.

A 3D model of a bridge, featuring concrete piers, white stay cables, and black deck, with a modern minimalist aesthetic. It has low polygon count and high detail, suitable for traffic and landscape applications.

A 3D model of an airport warning sign, featuring a red border, white background, black aircraft symbol, and metal pole. It has a classic triangular warning design, high detail, realistic textures, suitable for roadside safety, traffic control, or 3D design assets.

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.