There is also <Pict:%20Functional%20Pictures|Pict: Functional Pictures> <Pict:%20Functional%20Pictures|https://docs.racket-lang.org/pict/index.html> And the racket implementations of the sicp picture language: https://docs.racket-lang.org/sicp-manual/SICP_Picture_Language.html\|https://docs.racket-lang.org/sicp-manual/SICP_Picture_Language.html