óLFvĘdragon.ls stringart.ls circles.ls spiral.ls square.ls fern.ls sierpinski.ls bush3.ls umbrella.ls PolySys moire.ls arrowhead.ls fan.ls octahedron.ls shell.ls hilbert.ls bush.ls tetrahedron12.ls PolySys.docs wedge.ls spirolateral.ls bush4.ls octahedron13.ls sponge.ls bush2.ls sun.ls poppies2.ls sponge9.ls spirograph.ls fill.ls peano.ls