gulation_3.h&gt;</code><br />
<code>#include &lt;CGAL/Mesh_criteria_3.h&gt;</code><br />
<code>#include &lt;CGAL/Mesh_triangulation_3.h&gt;</code><br />
<code>#include &lt;CGAL/Modifier_base.h&gt;</code><br />
<code>#include &lt;CGAL/Object.h&gt;</code><br />
<code>#include &lt;CGAL/Polygon_mesh_processing/angle_and_area_smoothing.h&gt;</code><br />
<code>#include &lt;CGAL/Polygon_mesh_processing/detect_features.h&gt;</code><br />
<code>#include &lt;CGAL/Polyhedral_mesh_domain_with_features_3.h&gt;</code><b