Regular Division of the Plane Regular Division of the Plane Regular Division of the Plane is a series of drawings by the Dutch artist M. C. Escher which began in 1936. These images are based on the principle of tessellation, irregular shapes or combinations of shapes that interlock completely to cover a surface or plane. The inspiration for these works began in 1936 with a visit to the Alhambra, a fourteenth-century Moorish castle near Granada, Spain. Escher had visited the Alhambra once before in 1922 but in this visit he had spent several days studying and sketching the ornate tile designs there. In 1958 Escher
Alhambra through the citadel via a complex system of conduits ("acequia") and water tanks ("los albercones") which create the celebrated interplay of light, sound and surface. Alhambra is about in length by at its greatest width. It extends from west-northwest to east-southeast and covers an area of about or 35 acres. The Alhambra's most westerly feature is the Alcazaba (citadel), a strongly fortified position built to protect the original post-Roman districts of "Iliberri", now 'Centro', and "Gárnata al-yahūd" ('Granada of the Jews', now "Realejo", and the Moorish suburb of "El Albayzín". Due to touristic demand, modern access runs contrary to the