ref="../../sdf/circle/">Circle SDF</a></li>
    <li class="level4 nav-leaf"><a href="../../sdf/hexagon/">Hexagon SDF</a></li>
    <li class="level4 nav-leaf"><a href="../../sdf/segment/">Segment SDF</a></li>
    <li class="level4 nav-leaf"><a href="../../sdf/star/">Star SDF</a></li>
    <li class="level4 nav-leaf"><a href="../../sdf/triangle/">Triangle SDF</a></li>
    <li class="level3 nav-node"><a href="../../shapes/">Shapes</a></li>
    <li class="level4 nav-leaf"><a href="../../shapes/doughnut/">Doughnu