To related entries in the catalogue. Use the model description to compare similar objects before selecting a placement. The interior collection contains walls, doors and floor.
With ventilation panels. The material reference lists surface names, colour variations and recommended combinations. Road sections connect at matching heights and use a regular.
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.