Primary shape and excludes decorative surface.

Route. The mountain district contains rock formations and curved paths leading towards the lookout. The harbour reference describes warm windows, shaded entrances and reflective surfaces. The collision outline follows the primary shape and excludes decorative surface details. Objects with repeated dimensions.

Examples from neighbouring regular grid for alignment. The texture collection includes low shrubs, tall trees and planting beds beside the railway. A small building near the station has metal shutters and a flat roof with ventilation panels. The material reference lists surface.

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 warehouses, loading platforms and narrow service roads. Concrete supports connect the elevated walkway.