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The Art of Drawing Optical Illusions: How to Draw Mind-Bending Illusions and Three-Dimensional Trick Art in Graphite and Colored Pencil Format:Paperback There are useful appendices onOptical illusions are like magic tricks of the art world. They may look difficult to create, but with just a little bit of guidance, they can be easily achieved. Jonathan Stephen Harris guides you step by step in creating mind blowing pencil drawings, starting with basic optical illusions and progressing to more challenging ones. From impossible shapes to three dimensional sketches and trick art, you wont believe your eyes as you learn to draw optical