The Dot and the Line...
French Windows
Flatland
Cube
Tondo
Rotating Cubic Grid
Perspectives
Cubits
Dimensions
Map Projections
Toroid
The Art of Fugue
Four-Point Conics
Here Come the 123s
Clouds Are Not Spher...
M. C. Escher: Journe...
CircleSpeak
From the Point to th...
Geometry and You
