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Shepard tables illusion, named for its creator Roger N. Shepard. Shepard tables (also known as the Shepard tabletop illusion) are an optical illusion first published in 1990 as "Turning the Tables," by Stanford psychologist Roger N. Shepard in his book Mind Sights, a collection of illusions that he had created. [1]
Curvilinear barrel distortion Curvilinear pincushion distortion. Curvilinear perspective, also five-point perspective, is a graphical projection used to draw 3D objects on 2D surfaces, for which (straight) lines on the 3D object are projected to curves on the 2D surface that are typically not straight (hence the qualifier "curvilinear" [citation needed]).
The House with the Green Eye: 1944: Private collection Image online [175] Cow with Parasol: 1944: Private collection Image online [176] Coq rouge dans la nuit: 1944: Image online [177] The Wedding Lights: 1945: Private collection Image online [178] Apocalypse in Lilac, Capriccio: 1945: London, Ben Uri Gallery & Museum: Image online [179 ...
Blind contour drawing is a drawing exercise, where an artist draws the contour of a subject without looking at the paper. The artistic technique was introduced by Kimon Nicolaïdes in The Natural Way to Draw , and it is further popularized by Betty Edwards as "pure contour drawing" in The New Drawing on the Right Side of the Brain .
Eye is the title of two sculptures by American artist Tony Tasset. They are large eyes with blue irises and made of fiberglass , resin , and steel detailed with oil paint . [ 1 ] [ 2 ] The first was made in 2007 with a diameter of 6 feet (1.8 m) and is located in Laumeier Sculpture Park in St. Louis , Missouri. [ 3 ]
Penrose triangle. The Penrose triangle, also known as the Penrose tribar, the impossible tribar, [1] or the impossible triangle, [2] is a triangular impossible object, an optical illusion consisting of an object which can be depicted in a perspective drawing.
The accessory visual structures (or adnexa of eye, ocular adnexa, etc.) are the protecting and supporting structures of the eye, including the eyebrow, eyelids, and lacrimal apparatus. The eyebrows, eyelids, eyelashes , lacrimal gland and drainage apparatus all play a crucial role with regards to globe protection, lubrication, and minimizing ...
The macroscopic scale is the length scale on which objects or phenomena are large enough to be visible with the naked eye, without magnifying optical instruments. [ 1 ] [ 2 ] It is the opposite of microscopic .