Golden hour on a spring evening. A wooden lattice fence made of the edges of a kites-and-darts Penrose tiling fills the picture. Morning glory vines with blue flowers grow along the edges of the lattice. Through the fence is a formal garden, where bushes are trained to geometric forms. These include tetrahedrons, spheres, tetrahedrons, icosahedrons and dodecahedrons. Children play on the paths in the garden, and a man in a white lab coat operates a yellow slide rule. See more