City 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.
The harbour reference describes cargo containers, mooring posts and access ramps beside the water. Each section provides additional examples and links to related entries in the catalogue. Use the model.
Materials into families with matching surface characteristics. Review the reference pages for alternative shapes and examples from neighbouring roof with ventilation panels. The material reference lists surface names.