from fractal import Pen

p = Pen([400, 470])
p.setAngle(90)
p.setPoint([200, 470])
p.doD0L( omega  = "f",
         P      = {"f": "h[-f][+f]hf",
                   "h": "hh"},
         delta  = 25.7,
         times  = 7,
         length = 400,
         rate   = 2.17)
p.wait()
