Dover Triad Optical Illusions and How To Draw Them Triad Optical Illusions and How To Draw Them
In this book the author shows you how to create exciting, unusual triad designs. With 92 figures he demonstrates how a triad is drawn and how to vary the triad. Each of these designs, when extended, creates an illusion in which various shapes come forward or recede. In addition to the illustrations, the volume also includes a clear discussion of color and its use in creating illusions. Paperback, 64 pages.ISBN:486235491. DOVER