diff --git a/Polyhedron/demo/Polyhedron/Plugins/Operations_on_polyhedra/Animate_mesh_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/Operations_on_polyhedra/Animate_mesh_plugin.cpp
index 36737d3592e..b977b2030ae 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/Operations_on_polyhedra/Animate_mesh_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/Operations_on_polyhedra/Animate_mesh_plugin.cpp
@@ -220,6 +220,7 @@ public Q_SLOTS:
       dock_widget->prevButton->setEnabled(false);
       dock_widget->nextButton->setEnabled(false);
       dock_widget->stopButton->setEnabled(false);
+      dock_widget->frameSlider->setEnabled(false);
       initial_points.clear();
       initial_points.shrink_to_fit();
     });
@@ -242,18 +243,12 @@ public Q_SLOTS:
     dock_widget->prevButton->setEnabled(true);
     dock_widget->nextButton->setEnabled(true);
     dock_widget->stopButton->setEnabled(true);
+    dock_widget->frameSlider->setEnabled(true);
     if(!info.exists())
     {
       QMessageBox::warning(mw, "Error","File does not exist.");
       return;
     }
-    if(info.baseName() != sm_item->name())
-    {
-      QMessageBox::warning(mw, "Wrong Name",
-                           QString("The frame file must have the same name as the mesh file.(%1.trjs)")
-                           .arg(sm_item->name()));
-      return;
-    }
 
     if(!dock_widget->isVisible()) { dock_widget->show(); }
 
diff --git a/Polyhedron/demo/Polyhedron/Plugins/Operations_on_polyhedra/Animate_widget.ui b/Polyhedron/demo/Polyhedron/Plugins/Operations_on_polyhedra/Animate_widget.ui
index 82130fc7e43..6e6102118fa 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/Operations_on_polyhedra/Animate_widget.ui
+++ b/Polyhedron/demo/Polyhedron/Plugins/Operations_on_polyhedra/Animate_widget.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>444</width>
-    <height>150</height>
+    <width>202</width>
+    <height>151</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -97,36 +97,86 @@
      <layout class="QHBoxLayout" name="horizontalLayout">
       <item>
        <widget class="QPushButton" name="startButton">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
         <property name="text">
-         <string>Start</string>
+         <string/>
+        </property>
+        <property name="icon">
+         <iconset resource="../../Polyhedron_3.qrc">
+          <normaloff>:/cgal/icons/resources/play.jpeg</normaloff>:/cgal/icons/resources/play.jpeg</iconset>
         </property>
        </widget>
       </item>
       <item>
        <widget class="QPushButton" name="stopButton">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
         <property name="text">
-         <string>Stop</string>
+         <string/>
+        </property>
+        <property name="icon">
+         <iconset resource="../../Polyhedron_3.qrc">
+          <normaloff>:/cgal/icons/resources/pause.jpeg</normaloff>:/cgal/icons/resources/pause.jpeg</iconset>
         </property>
        </widget>
       </item>
       <item>
        <widget class="QPushButton" name="prevButton">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
         <property name="text">
-         <string>Prev</string>
+         <string/>
+        </property>
+        <property name="icon">
+         <iconset resource="../../Polyhedron_3.qrc">
+          <normaloff>:/cgal/icons/resources/left_arrow.png</normaloff>:/cgal/icons/resources/left_arrow.png</iconset>
         </property>
        </widget>
       </item>
       <item>
        <widget class="QPushButton" name="nextButton">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
         <property name="text">
-         <string>Next</string>
+         <string/>
+        </property>
+        <property name="icon">
+         <iconset resource="../../Polyhedron_3.qrc">
+          <normaloff>:/cgal/icons/resources/right_arrow.png</normaloff>:/cgal/icons/resources/right_arrow.png</iconset>
         </property>
        </widget>
       </item>
       <item>
        <widget class="QPushButton" name="resetButton">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
         <property name="text">
-         <string>Reset</string>
+         <string/>
+        </property>
+        <property name="icon">
+         <iconset resource="../../Polyhedron_3.qrc">
+          <normaloff>:/cgal/icons/resources/reset.jpg</normaloff>:/cgal/icons/resources/reset.jpg</iconset>
         </property>
        </widget>
       </item>
@@ -135,6 +185,9 @@
    </layout>
   </widget>
  </widget>
- <resources/>
+ <resources>
+  <include location="../../Polyhedron_3.qrc"/>
+  <include location="../../Polyhedron_3.qrc"/>
+ </resources>
  <connections/>
 </ui>
diff --git a/Polyhedron/demo/Polyhedron/Polyhedron_3.qrc b/Polyhedron/demo/Polyhedron/Polyhedron_3.qrc
index aef40f45e8f..9a10f5c14a8 100644
--- a/Polyhedron/demo/Polyhedron/Polyhedron_3.qrc
+++ b/Polyhedron/demo/Polyhedron/Polyhedron_3.qrc
@@ -33,6 +33,9 @@
         <file>resources/help_button.png</file>
         <file>resources/exit.png</file>
         <file>resources/menu.png</file>
+        <file>resources/play.jpeg</file>
+        <file>resources/pause.jpeg</file>
+        <file>resources/reset.jpg</file>
     </qresource>
     <qresource prefix="/cgal/Polyhedron_3">
         <file alias="about.html">resources/about.html</file>
diff --git a/Polyhedron/demo/Polyhedron/resources/pause.jpeg b/Polyhedron/demo/Polyhedron/resources/pause.jpeg
new file mode 100644
index 00000000000..1da108b76f8
Binary files /dev/null and b/Polyhedron/demo/Polyhedron/resources/pause.jpeg differ
diff --git a/Polyhedron/demo/Polyhedron/resources/play.jpeg b/Polyhedron/demo/Polyhedron/resources/play.jpeg
new file mode 100644
index 00000000000..c039554ae98
Binary files /dev/null and b/Polyhedron/demo/Polyhedron/resources/play.jpeg differ
diff --git a/Polyhedron/demo/Polyhedron/resources/reset.jpg b/Polyhedron/demo/Polyhedron/resources/reset.jpg
new file mode 100644
index 00000000000..c83b429e0c8
Binary files /dev/null and b/Polyhedron/demo/Polyhedron/resources/reset.jpg differ