../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="model_ring.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a>
</div>
<div class="section">
<div class="titlepage"><div><div><h4 class="title">
<a name="geometry.reference.models.model_box"></a><a class="link" href="model_box.html" title="model::box">model::box</a>
</h4></div></div></div>
<p>
          <a class="indexterm" name="idp19162464"></a><a class="indexterm" name="idp19162752"></a>
Class box: defines a box ma