ifs
  polygon (1, 0)  (-1/2, sqrt(3)/2)  (-1/2, -sqrt(3)/2)
  polygon (cos(0*2*pi/5)/5, sin(0*2*pi/5)/5)
          (cos(2*2*pi/5)/5, sin(2*2*pi/5)/5)
          (cos(4*2*pi/5)/5, sin(4*2*pi/5)/5)
          (cos(1*2*pi/5)/5, sin(1*2*pi/5)/5)
          (cos(3*2*pi/5)/5, sin(3*2*pi/5)/5)

  transform scl(1/2) trl( 1/2,  0)
  transform scl(1/2) trl(cos(2*pi/3)/2,  sin(2*pi/3)/2)
  transform scl(1/2) trl(cos(4*pi/3)/2,  sin(4*pi/3)/2)

order 5
image rot(90) scl(10)