Spectacular Spirals: Make Dozens of Beautiful Designs Victor Dorff

Pop a pen into a gear, move it around a template, and you"ve got a spectacular spiral! The three gears and two templates that come with this innovative kit allow you to generate hundreds of colorful, eye-catching designs, while the accompanying book explains the fascinating yet easy-to-grasp mathematics governing the appearance of spirals in art and nature. Kit includes:- 56-page paperback- 2 pens- 2 spiral templates- 3 plastic gears to make hundreds of different designs Это и многое другое вы найдете в книге Spectacular Spirals: Make Dozens of Beautiful Designs (Victor Dorff)