page_title: Catalan surface
hierarchical_section_title: Catalan surface
caption_attribution_description: English: Animation of the Catalan surface
context_page_description: In geometry, a Catalan surface, named after the Belgian mathematician Eugène Charles Catalan, is a ruled surface all of whose rulings are parallel to a fixed plane.
context_section_description: In geometry, a Catalan surface, named after the Belgian mathematician Eugène Charles Catalan, is a ruled surface all of whose rulings are parallel to a fixed plane.
caption: A Catalan surface.