Star design

 

import turtle

a=turtle.Turtle()

a.getscreen().bgcolor("black")

a.penup()

a.goto(-200,100)

a.pendown()

a.color("green","red")

a.speed(25)

def star(turtle,size):

    if size<=10:

        return

    else:

        turtle.begin_fill()

        for i in range(5):

            turtle.pensize(2)

            turtle.forward(size)

            star(turtle,size/3)

            turtle.left(216)

            turtle.end_fill()

star(a,360) 

turtle.done()