Logo 15-word challenge (1997)(mathcats.com)

    import turtle
    import math
    turtle.tracer(0,0) # remove this line to watch the drawing

    def spirals():
        # repeat 1800 [fd 10 rt repcount + .1]
        for repcount in range(1800):
             turtle.fd(10)
             turtle.rt(repcount+.1)
        turtle.update()

    def snowflakes(variant=6):
        # repeat 8 [rt 45 repeat 6 [repeat 90 [fd 2 rt 2] rt 90]]
        for _ in range(8):
            turtle.right(45)
            for _ in range(variant):
                for _ in range(90):
                    turtle.forward(2)
                    turtle.right(2)
                turtle.right(90)
        turtle.update()

    def orb():
        # for [i 0 420] [seth :i repeat :i [fd 2 rt 1] pu home pd]
        for i in range(0,420):
            turtle.seth(i)
            for _ in range(i):
                turtle.forward(2)
                turtle.right(1)
            turtle.penup()
            turtle.home()
            turtle.pendown()
        turtle.update()