A 3D model of a cattle crossing warning sign, featuring red border, white background, black cattle illustration, and metal pole, with a clear, cautionary design aesthetic. It has highly detailed 3D model and is suitable for road safety warnings, traffic education, or 3D scene decoration. Category corrected to: traffic warning sign.

A 3D model of a traffic warning sign, featuring triangular red border, white background, black exclamation mark, and metallic material, with a standard warning design. It has low polygon count and is suitable for traffic safety displays or design references.

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 crossroad warning sign, featuring a red-bordered triangular shape with a white background and black cross symbol, and a clear, functional design. It has detailed, realistic rendering and is suitable for road safety applications.