The Complete Guide to Perspective Drawing: From One-Point to Six-Point - Paperbackby Craig Attebery (Author) Computers can calculate perspective angles and create a drawing for us, but the spontaneity of mark making, the tactile quality of a writing surface, the weight of a drawing instrument, and the immediacy of the human touch are sensations that keep traditional drawing skills perpetually relevant. The sensuality and convenience of the hand persists and will survive as a valuable communication tool, as will the need to