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.
Materials used in an open city environment. A model record contains a name, a category, a scale and a short description of the visible geometry.
Surface details. Objects with repeated dimensions can form a longer boundary along the pedestrian route. The mountain district contains rock formations and curved paths leading towards the lookout.