diff --git a/BGL/doc/BGL/fig/hexahedron.png b/BGL/doc/BGL/fig/hexahedron.png
new file mode 100644
index 00000000000..34a4fb17085
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diff --git a/BGL/doc/BGL/fig/tetrahedron.png b/BGL/doc/BGL/fig/tetrahedron.png
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diff --git a/BGL/include/CGAL/boost/graph/helpers.h b/BGL/include/CGAL/boost/graph/helpers.h
index 7f2b5d3d0eb..73f2687d9bb 100644
--- a/BGL/include/CGAL/boost/graph/helpers.h
+++ b/BGL/include/CGAL/boost/graph/helpers.h
@@ -837,6 +837,8 @@ make_quad(const P& p0, const P& p1, const P& p2, const P& p3, Graph& g)
  * \ingroup PkgBGLHelperFct
  * \brief Creates an isolated hexahedron
  * with its vertices initialized to `p0`, `p1`, ...\ , and `p7`, and adds it to the graph `g`.
+ * \image html hexahedron.png
+ * \image latex hexahedron.png
  * \returns the halfedge that has the target vertex associated with `p0`, in the face with the vertices with the points `p0`, `p1`, `p2`, and `p3`.
  **/ 
 template<typename Graph, typename P>
@@ -892,6 +894,8 @@ make_hexahedron(const P& p0, const P& p1, const P& p2, const P& p3,
  * \ingroup PkgBGLHelperFct
  * \brief Creates an isolated tetrahedron
  * with its vertices initialized to `p0`, `p1`, `p2`, and `p3`, and adds it to the graph `g`.
+ * \image html tetrahedron.png
+ * \image latex tetrahedron.png
  * \returns the halfedge that has the target vertex associated with `p0`, in the face with the vertices with the points `p0`, `p1`, and `p2`.
  **/ 
 template<typename Graph, typename P>
@@ -989,7 +993,7 @@ make_tetrahedron(const P& p0, const P& p1, const P& p2, const P& p3, Graph& g)
  * having `nb_vertices` vertices in each of its bases and adds it to the graph `g`.
  * If `center` is (0, 0, 0), then the first point of the prism is (`radius`, `height`, 0)
  * \param nb_vertices the number of vertices per base. It must be greater than or equal to 3.
- * \param g the graph in which the regular prism will be created.
+ * \param g the graph in which the regular prism will be created.https://cgal.geometryfactory.com/~mgimeno/BGL_helpers/BGL/group__PkgBGLRef.html
  * \param base_center the center of the circle in which the lower base is inscribed.
  * \param height the distance between the two bases.
  * \param radius the radius of the circles in which the bases are inscribed.