startshape THORNS2

rule THORN {
	CIRCLE {}
	THORN { s 0.95 y 0.3 }
}

rule THORNS {
	THORN {}
	THORNS {s 0.5 r -85 y 6.2 }
	THORNS {s 0.5 r 85 y 6.2 }
	THORNS {s 0.5 y 6.2 }
}

rule THORNS2 {
	THORNS {r 45}
	THORNS {r 135}
	THORNS {r 225}
	THORNS {r 315}
}