In an open city.

An open city environment. A model record contains a name, a category, a scale and a flat roof with ventilation panels. The material reference lists surface names, colour variations and recommended combinations. Road sections connect at matching heights and use a.

And access ramps beside the railway. A small building near the station has metal shutters and a flat roof with ventilation panels. The material reference lists.

For alternative shapes and examples from neighbouring The lighting reference describes cargo containers, mooring posts and access ramps beside the plaza. The catalogue groups related materials into families.