ontain loops and the 
    right image shows the final result with round ends added and the loops
    eliminated.
  </p>


    <p class="img">
      <img src="figure/render-loops-1.svg" width="30%">
      <img src="figure/render-no-loops-1.svg" width="30%">
    </p>
    <h3>Sharp corners and wide offsets</h3>
    <p>
    The offset curve is obtained by breaking the main curve into
    straight line segments, calculating offset points at the ends of those
    segments, and then joining up those offset points 