Groups related materials into families with matching.

The collision outline follows the primary shape and excludes decorative surface details. Objects with repeated dimensions can form a longer boundary along the pedestrian route. The mountain district contains warehouses, loading platforms and narrow.

Can be combined with the corner section to enclose a storage area. A group of street objects provides lighting, benches and signs along the.

Describes structures and materials used in 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.