import math
import turtle
import random

def caesaro(t,order,size):
      if order==0:
        t.forward(size)
      else:
        
        for angle in [angles, 180-tear, angles, 0]:
           trig=size/(2*(1+math.cos(math.radians(angles))))
           x=size/2
           if trig<x:
               x=trig
           caesaro(t, order-1, x)
           t.left(angle)
 
def caesaro1(t,order,size):
      if order==0:
        t.forward(size)
      else:
        
        for angle in [angles, 180-tear, angles, 0]:
           trig=size/(2*(1+math.cos(math.radians(angles))))
           x=size/2
           if trig<x:
               x=trig
           caesaro1(t, order-1, x)
           t.left(angle)

def caesaro2(t,order,size):
      if order==0:
        t.forward(size)
      else:
        
        for angle in [angles, 180-tear, angles, 0]:
           trig=size/(2*(1+math.cos(math.radians(angles))))
           x=size/2
           if trig<x:
               x=trig
           caesaro2(t, order-1, x)
           t.left(angle)

def caesaro3(t,order,size):
      if order==0:
        t.forward(size)
      else:
        
        for angle in [angles, 180-tear, angles, 0]:
           trig=size/(2*(1+math.cos(math.radians(angles))))
           x=size/2
           if trig<x:
               x=trig
           caesaro3(t, order-1, x)
           t.left(angle)
wn=turtle.Screen()
nivi=turtle.Turtle()
nivi.hideturtle()

tear=random.randrange(-360,361)

angles=(tear-180)/2
print 'tear angle={}'.format(tear)

nivi.color('blue','#FF00AA')
wn.bgcolor('')
nivi.speed(1000000000000000)
n=3
#order of fractal
sz=200
 #size of fractal
nivi.penup()
nivi.goto(-100,100)
nivi.pendown()
nivi.begin_fill()
caesaro(nivi,n,sz)

nivi.left(-90)

caesaro1(nivi,n,sz)

nivi.left(-90)

caesaro2(nivi,n,sz)

nivi.left(-90)

caesaro3(nivi,n,sz)

nivi.end_fill()

Random tear caesaro