Triangle of Penrose
The triangle of Penrose , so known like the tripoutre or the tribarre , is a impossible Objet designed by the Mathématicien Roger Penrose in the Années 1950. It is an important figure in work of the artist Maurits Cornelis Escher.
This figure was described for the first time in 1934 by Oscar Reutersvärd (1915 - 2000). It was redécouverte by Penrose which publishes of it the drawing in the British Journal off Psychology in 1958. The tripoutre can exist only in the shape of a drawing in two dimensions, because it uses the overlapping of parallel lines drawn under various prospects. It represents a solid object, intersecting fact of three square beams. All the beams are perpendicular to both others and form a triangle.
This concept can be wide with others Polygone S, giving, for example the “cube of Penrose”, but the visual effect is not also striking.
It is however possible to create a solid object which resembles the triangle of Penrose: Such forms can be is curved or to have a break, but seen under a certain angle they give the illusion of the complete triangle.
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