The primary shape and excludes decorative surface details.

Lists surface names, colour variations and recommended combinations. Road sections connect at matching heights and use a regular grid for alignment. The texture collection includes weathered timber, painted steel, stone paving.

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 geometry. The coastal district contains rock formations and curved.

Pedestrian route. The mountain district contains warehouses, loading platforms and narrow service roads. Concrete supports connect the elevated walkway to the old market. The lighting reference describes.