A 3D model of a road traffic warning sign, featuring a triangular shape with red border, white background, and a black car slipping on wet road pattern, mounted on a black-and-white striped pole. It has low polygon count and a high-contrast, warning aesthetic, suitable for road safety education or traffic simulation.

A 3D model of a Pedestrian Overpass, featuring covered roof, staircases, and metal/glass handrails with a modern and minimalist aesthetic. It has low polygon count and detailed textures, suitable for urban transportation and public places.

A 3D model of a triangular road narrowing warning sign, featuring red border, white background, black narrowing lines, and a metal pole, with a standard, highly visible traffic sign aesthetic. It has a low-poly 3D design and is suitable for road safety warnings to alert drivers of narrowing lanes.

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.