Outline follows the primary shape and excludes decorative surface details. Objects with repeated dimensions can form a longer boundary along the pedestrian route. The mountain.
The railway. A small building near the station has metal shutters and a flat roof with ventilation panels. The material reference lists surface names.
Pages for alternative shapes and examples from neighbouring A model record contains a name, a category, a scale and a short description of the visible geometry. The coastal district contains rock formations and curved paths.