Introduction.- Anamorphosis as a visual metaphor: A necessary interaction between the artwork and the observer.- Anamorphic different scales: Landscape, urban space, architecture and design in the work of Felice Varini.- Optical and perspective illusion.- Dual view anamorphosis.- Shadow anamorphic art.- Anamorphic installations against urban decay.- Drawing the illusion: Geometries of the anamorphic transcriptions.