Click flag to see fern drawn. Hold shift key down while clicking flag for faster drawing.
Much of the process is random. This is a standard Barnsley fern, a fractal generated by repeating simple functions. Many scratch users have coded their own versions. Barnsley, M. Fractals Everywhere, 2nd ed. Boston, MA: Academic Press, pp. 86, 90, 102 and Plate 2, 1993.
