Penrose Stairway

Author:Ivan De Winne

The Penrose stairs or Penrose steps, also dubbed the impossible staircase, is an impossible object created by Lionel Penrose and his son Roger Penrose.

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Intercepts in 3D
bewijs stelling van Pythagoras
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Ringed Polyhedra
Transformaciones usando coordenadas

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Arbitrary Triangle ABD
SumOddNumbersColors
droite d'Euler
Project 3
circumcirlce a
Addition of fractions

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Square
Mode
Geometric Transformations
Differential Equation
Distributions