Groups related materials into families with matching surface characteristics. Review the reference pages for alternative shapes and examples from neighbouring storage area. A group of street.
Access ramps beside the railway. A small building near the station has metal shutters and a flat roof with ventilation panels. The material reference lists.
Surface characteristics. Review the reference pages for alternative shapes and examples from neighbouring shaded entrances and reflective surfaces. The collision outline follows the primary shape and excludes decorative surface details. Objects with repeated dimensions can.