In Kepler's 1619 book Harmonice Mundi on tilings, he discussed a tiling built with pentagons, pentagrams, decagons, and "fused decagon pairs." He also called them "monsters." This tiling inspired Penrose tiles in 1973.
Kepler's Monsters
See also
Penrose Tiles, TessellationThis entry contributed by Ed Pegg, Jr. (author's link)
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References
Grünbaum, B. and Shephard, G. C. §9.4 in Tilings and Patterns. New York: W. H. Freeman, p. 89, 1986.Referenced on Wolfram|Alpha
Kepler's MonstersCite this as:
Weisstein, Eric W., with contributions by Ed Pegg, Jr.. "Kepler's Monsters." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/KeplersMonsters.html