An attractive tiling of the Square composed of two types of triangular tiles.
References
Alexanderson, G. L. and Seydel, K. ``Kürschák's Tile.'' Math. Gaz. 62, 192-196, 1978.
Honsberger, R. Mathematical Gems III. Washington, DC: Math. Assoc. Amer., pp. 30-32, 1985.
Schoenberg, I. Mathematical Time Exposures. Washington, DC: Math. Assoc. Amer., p. 7, 1982.
Weisstein, E. W. ``Kürschák's Tile.'' Mathematica notebook KurschaksTile.m.