assets/mjcf/tehC.xml

<?xml version="1.0" ?>
<mujoco model = "tehC">
    <asset>
        <mesh name="mesh_base" file="../obj/tehC.obj"/>
    </asset>
    <worldbody>
        <body name = "tehC">
            <geom name = "geom_base" type = "mesh" mesh="mesh_base"/>
        </body>
    </worldbody>
</mujoco>