diff --git a/Polyhedron/demo/Polyhedron/MainWindow_parameterization.cpp b/Polyhedron/demo/Polyhedron/MainWindow_parameterization.cpp
index 5aef9e52a92..ff66f64a1a7 100644
--- a/Polyhedron/demo/Polyhedron/MainWindow_parameterization.cpp
+++ b/Polyhedron/demo/Polyhedron/MainWindow_parameterization.cpp
@@ -83,12 +83,12 @@ void MainWindow::parameterize(const Parameterization_method method)
     scene->polyhedronRenderingMode(index));
 
   Textured_polyhedron *pTex_polyhedron = new Textured_polyhedron();
-  *((Polyhedron *)pTex_polyhedron) = *pMesh; // copy
-  scene->addTexPolyhedron(pTex_polyhedron,
-    tr("%1 (parameterization)").arg(scene->polyhedronName(index)),
-    Qt::magenta,
-    scene->isPolyhedronActivated(index),
-    scene->polyhedronRenderingMode(index));
+  //*((Polyhedron *)pTex_polyhedron) = *pMesh; // copy -> BUG
+  //scene->addTexPolyhedron(pTex_polyhedron,
+  //  tr("%1 (parameterization)").arg(scene->polyhedronName(index)),
+  //  Qt::magenta,
+  //  scene->isPolyhedronActivated(index),
+  //  scene->polyhedronRenderingMode(index));
 
   QApplication::setOverrideCursor(Qt::ArrowCursor);
 }
diff --git a/Polyhedron/demo/Polyhedron/Scene.cpp b/Polyhedron/demo/Polyhedron/Scene.cpp
index 2537679fd93..3d4708ef2b1 100644
--- a/Polyhedron/demo/Polyhedron/Scene.cpp
+++ b/Polyhedron/demo/Polyhedron/Scene.cpp
@@ -75,21 +75,21 @@ Scene::destroy_entry_ptr(Polyhedron_ptr ptr)
 {
   switch(ptr.which())
   {
-    case POLYHEDRON_ENTRY:
+  case POLYHEDRON_ENTRY:
     {
       Polyhedron** p = boost::get<Polyhedron*>(&ptr);
       Q_ASSERT(p != NULL);
       this->destroy_polyhedron(*p);
       break;
     }
-    case TEX_POLYHEDRON_ENTRY:
+  case TEX_POLYHEDRON_ENTRY:
     {
       Textured_polyhedron** p = boost::get<Textured_polyhedron*>(&ptr);
       Q_ASSERT(p != NULL);
       this->destroy_tex_polyhedron(*p);
       break;
     }
-    case NEF_ENTRY:
+  case NEF_ENTRY:
     {
       Nef_polyhedron** p = boost::get<Nef_polyhedron*>(&ptr);
       Q_ASSERT(p != NULL);
@@ -307,11 +307,11 @@ Scene::draw(bool with_names)
 
 	switch(entry.polyhedron_ptr.which())
 	{
-  	case NEF_ENTRY:
+	case NEF_ENTRY:
 	  CGALglcolor(Qt::black);
 	  gl_render_nef_edges(boost::get<Nef_polyhedron*>(entry.polyhedron_ptr));
 	  break;
-  	case POLYHEDRON_ENTRY:
+	case POLYHEDRON_ENTRY:
 	case TEX_POLYHEDRON_ENTRY:
 	  draw(entry);
 	}
@@ -353,25 +353,25 @@ void Scene::gl_render_facets(Polyhedron_ptr ptr)
   {
   case NEF_ENTRY:
     {
-    Nef_polyhedron* p = boost::get<Nef_polyhedron*>(ptr);
-    glEnable(GL_LIGHTING);
-    gl_render_nef_facets(p);
-    glDisable(GL_LIGHTING);
-    CGALglcolor(Qt::black);
-    gl_render_nef_vertices(p);
-    glEnable(GL_LIGHTING);
-    break;
+      Nef_polyhedron* p = boost::get<Nef_polyhedron*>(ptr);
+      glEnable(GL_LIGHTING);
+      gl_render_nef_facets(p);
+      glDisable(GL_LIGHTING);
+      CGALglcolor(Qt::black);
+      gl_render_nef_vertices(p);
+      glEnable(GL_LIGHTING);
+      break;
     }
   case POLYHEDRON_ENTRY:
     {
-    Polyhedron* p = boost::get<Polyhedron*>(ptr);
-    gl_render_polyhedron_facets(p);
-    break;
+      Polyhedron* p = boost::get<Polyhedron*>(ptr);
+      gl_render_polyhedron_facets(p);
+      break;
     }
   case TEX_POLYHEDRON_ENTRY:
     {
-    Textured_polyhedron* p = boost::get<Textured_polyhedron*>(ptr);
-    gl_render_polyhedron_facets(p);
+      Textured_polyhedron* p = boost::get<Textured_polyhedron*>(ptr);
+      gl_render_polyhedron_facets(p);
     }
   }
 }
diff --git a/Polyhedron/demo/Polyhedron/Scene_rendering.cpp b/Polyhedron/demo/Polyhedron/Scene_rendering.cpp
index f353731089b..6ec99de6b9b 100644
--- a/Polyhedron/demo/Polyhedron/Scene_rendering.cpp
+++ b/Polyhedron/demo/Polyhedron/Scene_rendering.cpp
@@ -10,7 +10,7 @@ void gl_render_polyhedron_facets(Polyhedron *p)
 
 void gl_render_polyhedron_facets(Textured_polyhedron *p)
 {
-  gl_render_facets(*p);
+  //gl_render_facets(*p);
 }
 
 void gl_render_polyhedron_edges(Polyhedron *p)