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
Moorish Revival architecture arches". In the 1860s, the style spread across America, with Olana, the painter Frederic Edwin Church's house overlooking the Hudson River, Castle Garden in Jacksonville and Longwood in Natchez, Mississippi usually cited among the more prominent examples. After the American Civil War, Moorish or Turkish smoking rooms achieved some popularity. There were Moorish details in the interiors created for the Henry Osborne Havemeyer residence on Fifth Avenue by Louis Comfort Tiffany. The 1914 Pittock Mansion in Portland, Oregon incorporates Turkish design features, as well as French, English, and Italian ones; the smoking room in particular has notable Moorish revival elements.