spec.txt

startshape fract

rule fract {
TRIANGLE { }
fract { y .288 s .5 b 1}
fract { s .5 r 180 b -1 }
fract { x -.25 y -.144 s .5 b 1}
fract { x .25 y -.144 s .5 b 1}
}
rule fract .5 {}


----------------------

{
 startshape: "fract",
 fract:
 [
  { weight: 1, draw:
   [
    {shape:"TRIANGLE"},
    {shape:"fract", y: .288, s:.5, b:1},
    {shape:"fract", s: .5, r:180, b:-1},
    {shape:"fract", x:-.25, y:-.144 s:.5, b:-1},
    {shape:"fract", x: .25, y: -.144, s:.5, b:1},
   ]
  },
  { weight: .5, draw:[] }
 ]
}






---------------------------
startshape tree

rule tree {
    CIRCLE { s .5 1.2 }
    tree { s .97 y .3 r 3}
}
rule tree .1 { 
    tree { flip 90 } }
rule tree .1 { 
    tree { r 10 } 
    tree { r -30 s .6} }

---
{
	startshape: "tree",
	tree:
	[
		{weight: 1, draw:[
			{shape: "CIRCLE", s:[.5, 1.2]},
			{shape: "tree", s:.97, y:.3, r:3},
		]},
		{weight: .1, draw:[{shape: "tree", flip:90 }]},
		{weight: .1, draw:[
			{shape: "tree", r:10},
			{shape: "tree", r: -30, s:.6}
		]}
	]
}



----------------------

startshape aza

rule aza {
  TRIANGLE{}
}

---

{
  startshape: "aza",
  aza:
  [
  	{weight: 1, draw:[{shape:"TRIANGLE"}]}
  ]
}