- Quaquaversal tiling
The quaquaveral tiling is an nonperiodic three dimensional substitution tiling of space proposed by John Conway and Charles Radin. The basic solid tiles are half prisms arranged in a pattern which relies essentially on their previous construct, the
pinwheel tiling .References
*Radin C., Conway J., "Quaquaversal tiling and rotations", preprint, Princeton University Press 1995
External links
* A [http://www.ma.utexas.edu/users/radin/quaqua.html picture] of a quaquaversal tiling
* [http://www.ma.utexas.edu/users/radin/ Charles Radin] page at the University of TexasGrassetto
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