A 3D model of a traffic warning sign, featuring a red-bordered triangle, white background, black exclamation mark, and black-and-white striped pole. It has a warning, high-contrast aesthetic, detailed 3D rendering, suitable for road safety and warning areas.

A 3D model of a traffic warning sign, featuring a triangular red-bordered, white background with black bus illustration and diamond-shaped symbol, and a standardized design. It has a low-poly 3D model with high detail and is suitable for traffic safety education.

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 bridge, featuring an arched structure, metallic towers, steel cables, and a wooden deck, with a modern minimalist aesthetic. It has low polygon count and detailed structural details, suitable for landscape decoration and architectural design reference.