diff --git a/src/definition/CameraDefinition.h b/src/definition/CameraDefinition.h
index 2daddf6..9e2c1d3 100644
--- a/src/definition/CameraDefinition.h
+++ b/src/definition/CameraDefinition.h
@@ -30,15 +30,15 @@ public:
     virtual void copy(DefinitionNode* destination) const override;
     virtual void validate() override;
 
-    inline Vector3 getLocation() const {return location;}
-    inline Vector3 getTarget() const {return target;}
-    inline Vector3 getUpVector() const {return up;}
+    inline const Vector3 &getLocation() const {return location;}
+    inline const Vector3 &getTarget() const {return target;}
+    inline const Vector3 &getUpVector() const {return up;}
     inline double getRoll() const {return roll;}
     inline Vector3 getDirection() const {return Vector3(direction);}
-    inline Vector3 getDirectionNormalized() const {return forward;}
+    inline const Vector3 &getDirectionNormalized() const {return forward;}
     inline const Matrix4 &getTransformationMatrix() const {return projector;}
-    inline VectorSpherical getDirectionSpherical() const {return direction;}
-    inline CameraPerspective getPerspective() const {return perspective;}
+    inline const VectorSpherical &getDirectionSpherical() const {return direction;}
+    inline const CameraPerspective &getPerspective() const {return perspective;}
     inline double getWidth() const {return width;}
     inline double getHeight() const {return height;}
 
diff --git a/src/interface/modeler/quickapp/MainModelerWindow.cpp b/src/interface/modeler/quickapp/MainModelerWindow.cpp
index 49d4a2c..6f0b9aa 100644
--- a/src/interface/modeler/quickapp/MainModelerWindow.cpp
+++ b/src/interface/modeler/quickapp/MainModelerWindow.cpp
@@ -140,10 +140,14 @@ void MainModelerWindow::keyReleaseEvent(QKeyEvent *event)
         if (event->key() == Qt::Key_F5)
         {
             // Start render in a thread
-            if (event->modifiers() & Qt::ControlModifier)
+            if ((event->modifiers() & Qt::ControlModifier) and (event->modifiers() & Qt::ShiftModifier))
             {
                 render_process->startFinalRender();
             }
+            else if (event->modifiers() & Qt::ControlModifier)
+            {
+                render_process->startMediumRender();
+            }
             else
             {
                 render_process->startQuickRender();
diff --git a/src/interface/modeler/quickapp/RenderProcess.cpp b/src/interface/modeler/quickapp/RenderProcess.cpp
index cdc7020..ce2958b 100644
--- a/src/interface/modeler/quickapp/RenderProcess.cpp
+++ b/src/interface/modeler/quickapp/RenderProcess.cpp
@@ -39,6 +39,11 @@ RenderProcess::RenderProcess(MainModelerWindow *window, RenderPreviewProvider *d
         connect(button_quick, SIGNAL(clicked()), this, SLOT(startQuickRender()));
     }
 
+    QObject *button_medium = window->findQmlObject("tool_render_medium");
+    if (button_medium) {
+        connect(button_medium, SIGNAL(clicked()), this, SLOT(startMediumRender()));
+    }
+
     QObject *button_final = window->findQmlObject("tool_render_final");
     if (button_final) {
         connect(button_final, SIGNAL(clicked()), this, SLOT(startFinalRender()));
@@ -121,7 +126,12 @@ void RenderProcess::startRender(Scenery *scenery, const RenderConfig &config)
 
 void RenderProcess::startQuickRender()
 {
-    startRender(window->getScenery(), RenderConfig(400, 300, 1, 3));
+    startRender(window->getScenery(), RenderConfig(480, 270, 1, 3));
+}
+
+void RenderProcess::startMediumRender()
+{
+    startRender(window->getScenery(), RenderConfig(800, 450, 1, 5));
 }
 
 void RenderProcess::startFinalRender()
diff --git a/src/interface/modeler/quickapp/RenderProcess.h b/src/interface/modeler/quickapp/RenderProcess.h
index 32829a0..273f6ca 100644
--- a/src/interface/modeler/quickapp/RenderProcess.h
+++ b/src/interface/modeler/quickapp/RenderProcess.h
@@ -39,6 +39,11 @@ public slots:
      */
     void startQuickRender();
 
+    /**
+     * Start a medium render.
+     */
+    void startMediumRender();
+
     /**
      * Start a final render.
      */
diff --git a/src/interface/modeler/quickapp/qml/app.qrc b/src/interface/modeler/quickapp/qml/app.qrc
index 4f4a4b5..b4b14f1 100644
--- a/src/interface/modeler/quickapp/qml/app.qrc
+++ b/src/interface/modeler/quickapp/qml/app.qrc
@@ -49,5 +49,7 @@
         <file>images/preset_water_lake.jpg</file>
         <file>images/preset_water_sea.jpg</file>
         <file>images/icon_preset.png</file>
+        <file>images/icon_render_medium.png</file>
+        <file>images/icon_render_final.png</file>
     </qresource>
 </RCC>
diff --git a/src/interface/modeler/quickapp/qml/images/icon_render_final.png b/src/interface/modeler/quickapp/qml/images/icon_render_final.png
new file mode 100644
index 0000000..ec68096
Binary files /dev/null and b/src/interface/modeler/quickapp/qml/images/icon_render_final.png differ
diff --git a/src/interface/modeler/quickapp/qml/images/icon_render_medium.png b/src/interface/modeler/quickapp/qml/images/icon_render_medium.png
new file mode 100644
index 0000000..4f47a43
Binary files /dev/null and b/src/interface/modeler/quickapp/qml/images/icon_render_medium.png differ
diff --git a/src/interface/modeler/quickapp/qml/images/icon_render_quick.png b/src/interface/modeler/quickapp/qml/images/icon_render_quick.png
index c97c062..cbfa010 100644
Binary files a/src/interface/modeler/quickapp/qml/images/icon_render_quick.png and b/src/interface/modeler/quickapp/qml/images/icon_render_quick.png differ
diff --git a/src/interface/modeler/quickapp/qml/main.qml b/src/interface/modeler/quickapp/qml/main.qml
index fc9ae58..2338c5c 100644
--- a/src/interface/modeler/quickapp/qml/main.qml
+++ b/src/interface/modeler/quickapp/qml/main.qml
@@ -6,8 +6,8 @@ OpenGLView {
     state: "Init"
     property string previous_state
 
-    width: 1000
-    height: 700
+    width: 1280
+    height: 720
 
     Tooltip {
         id: tooltip_widget
@@ -83,12 +83,20 @@ OpenGLView {
             shortcut: "F5"
         }
 
+        ToolbarButton {
+            id: tool_render_medium
+            objectName: "tool_render_medium"
+            picture: "images/icon_render_medium.png"
+            hovertext: qsTr("Start a medium quality render")
+            shortcut: "Ctrl+F5"
+        }
+
         ToolbarButton {
             id: tool_render_final
             objectName: "tool_render_final"
-            picture: "images/tab_render.png"
+            picture: "images/icon_render_final.png"
             hovertext: qsTr("Start a final render")
-            shortcut: "Ctrl+F5"
+            shortcut: "Ctrl+Shift+F5"
         }
 
         ToolbarButton {