title: A neglected geometry for finding perspective.
abstract: A method for dividing quadrilateral spaces is described to assist artists with perspective illustrations. Linear perspective, key to realistic drawings, can be time-consuming to use, hampering illustrators who need to be efficient to compete in today's market. Using this method, art benefits in speed from an overlooked geometry based on right triangles. It also fascinates with versatility as it presumes to solve two ancient math riddles.
authors.affiliation: Department of Cardiothoracic and Vascular Surgery, Memorial Hermann Hospital, Houston, Tex., USA.
authors.forename: C G
authors.initials: CG
authors.lastname: Clingman
mesh_terms: D003196:Computer Graphics; D006801:Humans; D021621:Imaging, Three-Dimensional / Q000379:methods; D008433:Mathematics; D008488:Medical Illustration; D013997:Time Factors