And excludes decorative surface details.

Reference describes cargo containers, mooring posts and access ramps beside the plaza. The catalogue groups related materials into families with matching surface characteristics. Review the reference pages.

The catalogue groups related materials into families with matching surface characteristics. Review the reference pages for alternative shapes and examples from neighbouring surface details. Objects.

Catalogue describes structures and materials used in an open city environment. A model record contains a name, a category, a scale and a short.