Zdeněk Miler's animation short about geometrical shapes.
Flatland
The Dot and the Line: A Romance in Lower Mathematics
Toroid
Four-Point Conics
Cube
Map Projections
Perspectives
Dimensions
Cubits
Tondo
The Art of Fugue
Rotating Cubic Grid
French Windows
Penrose
Clouds Are Not Spheres
Here Come the 123s
M. C. Escher: Journey to Infinity
CircleSpeak
Berra