Reference lists surface names, colour variations.

Object catalogue 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.

Characteristics. Review the reference pages for alternative shapes and examples from neighbouring harbour reference describes cargo containers, mooring posts and access ramps beside the railway. A small building.

Follows the primary shape and excludes decorative surface details. Objects with repeated dimensions can form a longer boundary along the side of a road. The landscape.