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, with stone/concrete materials, arched spans, and tower-like pillars, featuring a classical aesthetic. It has multiple arches and detailed railings, suitable for architectural visualization or historical scene restoration.

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 two-way arrow traffic sign, featuring a round red-bordered design with white background, red and black arrows, and a black-and-white striped pole, showcasing a clean functional aesthetic. It has low polygon count and is suitable for traffic scenario visualization.