| 1. |  | Golden Gnomon, by Doug McKenna | Art; Golden section; Fibonacci numbers; | Golden Gnomon is a new, more accurately drawn version of a pen plotter drawing McKenna first made back in 1985. It is based on a non-periodic Ammann tiling, which is in turn based on even and odd powers... |
| 2. |  | Phiberspace, by Doug McKenna | Art; Rectangles in art; Spirals in art; | Phiberspace is composed of over 42,000 copies, in various sizes, of a rectangle specially chosen and colored so that superpositions of them all lead the eye to see spirals upon spirals. The repeated rectangle... |
