<mujocoinclude>
    <body childclass="stick_base">
      <geom material="stick_blue" mesh="stick"/>
      <geom class="stick_col" size="0.05 0.02 0.02" type="box" mass=".02"/>
      <site name="stick_end" pos="0.05 0 0" size="0.01"
            rgba="0 0.8 0 1"/>
    </body>
</mujocoinclude>
