Forsythia fractal technology libs, docs, tools and apps.
https://github.com/johnalexandergreene/Forsythia/tree/master/app/grammarEditor
Create shape grammars for use in Forsythia geometry production processes.
Sample compositions based on grammars.
Export pretty images.
Fleen_Forsythia_Grammar_Editor_V2017_10_19.jar
Run it thusly : java -jar FleenForsythiaGrammarEditor_V2017_07_19.jar
Also check out the Geom_Kisrhombille wiki for details on the geometry.