
// Glassner's Pendant

// make central iris
cycle circle(origin 18) 5 -18 {
  draw circles( vertex_0 25 31)
}

// make outer spirals
cycle circle(origin 118) 5 -18 {
  draw blue circles( vertex_0 18 22)

  // print "vertex0=" vertex_0
  // print "vertex1=" vertex_1
  let step = (vertex_1-vertex_0)/6

  draw red circle( vertex_0+step 44)
  draw green circle( vertex_0+(step*3) 44)
  draw orange circle( vertex_0+(step*4) 22)
}
