Kinetic art expressions based on optical and luminous phenomenon as well as painting illusionism. The expression "kinetic art" in this modern form first appeared at the Museum für Gestaltung of Zürich in 1960, and found its major developments in the 1960s. In most European countries, it generally included the form of optical art that mainly makes use of optical illusions, such as op art, represented by Bridget Riley, as well as art based on movement represented by Yacov Agam, Carlos Cruz-Diez, Jesús Rafael Soto, Gregorio Vardanega, or Nicolas Schöffer. From 1961 to 1968, GRAV ("Groupe de Recherche d’Art Visuel") founded by François
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