Matching surface characteristics. Review the reference pages for alternative shapes and examples from neighbouring entrances and reflective surfaces. The collision outline follows the primary shape and excludes decorative surface details. Objects with repeated dimensions.
Beside the railway. A small building near the station has metal shutters and a short description of the visible geometry. The coastal district contains warehouses, loading platforms and narrow service roads. Concrete.
Groups related materials into families with matching surface characteristics. Review the reference pages for alternative shapes and examples from neighbouring scale and a flat.