Optical illusion There are a variety of different types of optical illusions. Many are included in the following list. Artists who have worked with optical illusions include M. C. Escher, Bridget Riley, Salvador Dalí, Giuseppe Arcimboldo, Patrick Bokanowski, Marcel Duchamp, Jasper Johns, Oscar Reutersvärd, Victor Vasarely and Charles Allan Gilbert. Contemporary artists who have experimented with illusions include Jonty Hurwitz, Sandro del Prete, Octavio Ocampo, Dick Termes, Shigeo Fukuda, Patrick Hughes, István Orosz, Rob Gonsalves, Gianni A. Sarcone, Ben Heine and Akiyoshi Kitaoka. Optical illusion is also used in film by the technique of forced perspective. Op art is a style of
Art of Illusion Art of Illusion Art of Illusion is a free, open source software package for creating 3D-graphics. It provides tools for 3D-modeling, creating and mapping textures and rendering both, still images and animations. Models, that are created in Art of Illusion, can also be exported for 3D-printing in .stl format. Art of Illusion is a 3D-graphics software, with similar intent of use as for example 3DS-Max or Maya of the commercial software packages or Blender or Wings 3D on the freeware side. Though some sources seem to confuse 3D-modeling with CAD, Art of Illusion does not provide any CAD-features. Some user