Context Free Art

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I've been playing with an algorithmic art generator called Context Fee Art. You make a little program like this:

startshape circle

background { b -0.35 } 

rule circle {
  60 * { r 6 }  circlet { y 10 s 1.1b 0.7 }
}

// solid circle bit
rule circlet 10 { ss { } }

// skip bit
rule circlet {  }

// oversized
rule circlet { CIRCLE { s 1.5 } }

// undersized
rule circlet { ss { s 0.75 } }

// stemming
rule circlet 0.5 {
 ss { s 1.5 }
 ss { s 0.3 10 y 5 }
 circle { s 0.5 y 15 }
}


rule ss { SQUARE {  }  }

and it makes a variety of pictures like this (click to biggify):



For more information see the Context Free Art site.