diff --git a/Polyhedron/demo/Polyhedron/Plugins/Mesh_3/Mesh_3_plugin_cgal_code.cpp b/Polyhedron/demo/Polyhedron/Plugins/Mesh_3/Mesh_3_plugin_cgal_code.cpp
index 66257245bf9..906f2cb85ab 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/Mesh_3/Mesh_3_plugin_cgal_code.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/Mesh_3/Mesh_3_plugin_cgal_code.cpp
@@ -71,6 +71,20 @@ Meshing_thread* cgal_code_mesh_3(const Polyhedron* pMesh,
   Scene_c3t3_item* p_new_item = new Scene_c3t3_item;
   p_new_item->setScene(scene);
 
+  QString tooltip = QString(
+        "Angle: %1 \n"
+        "Edge size bound: %2 \n"
+        "Facets size bound: %3 \n"
+        "Approximation bound: %4 \n" )
+      .arg(facet_angle)
+      .arg(edge_size)
+      .arg(facet_sizing)
+      .arg(facet_approx);
+  if (pMesh->is_closed())
+    tooltip += QString("Tetrahedra size bound: %1 \n" )
+        .arg(tet_sizing);
+
+  p_new_item->setProperty("toolTip",tooltip);
   Mesh_parameters param;
   param.facet_angle = facet_angle;
   param.facet_sizing = facet_sizing;
diff --git a/Polyhedron/demo/Polyhedron/Scene_c3t3_item.cpp b/Polyhedron/demo/Polyhedron/Scene_c3t3_item.cpp
index abf444c4876..044c2c83a16 100644
--- a/Polyhedron/demo/Polyhedron/Scene_c3t3_item.cpp
+++ b/Polyhedron/demo/Polyhedron/Scene_c3t3_item.cpp
@@ -743,13 +743,15 @@ void Scene_c3t3_item::compute_bbox() const {
 }
 
 QString Scene_c3t3_item::toolTip() const {
-  return tr("<p><b>3D complex in a 3D triangulation</b></p>"
-    "<p>Number of vertices: %1<br />"
-    "Number of surface facets: %2<br />"
-    "Number of volume tetrahedra: %3</p>")
+
+  QString tooltip = property("toolTip").toString() +=QString("3D complex in a 3D triangulation \n"
+    "Number of vertices: %1 \n"
+    "Number of surface facets: %2 \n"
+    "Number of volume tetrahedra: %3 \n")
     .arg(c3t3().triangulation().number_of_vertices())
     .arg(c3t3().number_of_facets_in_complex())
     .arg(c3t3().number_of_cells_in_complex());
+  return tooltip;
 }
 
 void Scene_c3t3_item::draw(CGAL::Three::Viewer_interface* viewer) const {