Description of the visible geometry.

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 a regular grid for alignment. The texture collection includes.

The 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.

Walkway to the old market. The lighting reference describes cargo containers, mooring posts and access ramps beside the plaza. The catalogue groups related materials into families with matching surface.