Object catalogue describes structures and materials used in an open city environment. A model record contains a name, a category, a scale and a short description of the visible.
Warm windows, shaded entrances and reflective surfaces. 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.
Station has metal shutters 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 regular.