A formal grammar that generates fractal geometry.
An axiom, a handful of rewrite rules, and a turtle
that draws what the string describes. The same
mathematical framework that defines computer languages
also describes how a fern unfurls.
Preset
Grammar
Parameters
5
25
5
Display
String length per generation (log scale)
Symbols: F (draw) + (right) - (left) [ (push) ] (pop) Scroll: zoom · Drag: pan · R: reset view