Self-similarity
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In mathematics, a self-similar object is exactly or approximately similar to a part of itself. Many objects in the real world, such as coastlines, are statistically self-similar: parts of them show th
Close-up of a Romanesco broccoli
L-system
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An L-system or Lindenmayer system is a parallel rewriting system and a type of formal grammar. An L-system consists of an alphabet of symbols that can be used to make strings, a collection of producti
L-system trees form realistic models of natural patterns
'Weeds', generated using an L-system in 3D.