diff --git a/src/app/3d/qgs3dmapcanvaswidget.cpp b/src/app/3d/qgs3dmapcanvaswidget.cpp
index a7671f8938d1..8aef8102f600 100644
--- a/src/app/3d/qgs3dmapcanvaswidget.cpp
+++ b/src/app/3d/qgs3dmapcanvaswidget.cpp
@@ -508,7 +508,11 @@ void Qgs3DMapCanvasWidget::configure()
                                    || map->terrainGenerator()->type() == QgsTerrainGenerator::Mesh );
   };
 
-  connect( buttons, &QDialogButtonBox::rejected, mConfigureDialog, &QDialog::reject );
+  connect( buttons, &QDialogButtonBox::rejected, mConfigureDialog, [ = ]()
+  {
+    configWidget->reject();
+    mConfigureDialog->reject();
+  } );
   connect( buttons, &QDialogButtonBox::clicked, mConfigureDialog, [ = ]( QAbstractButton * button )
   {
     if ( button == buttons->button( QDialogButtonBox::Apply ) || button == buttons->button( QDialogButtonBox::Ok ) )
diff --git a/src/app/3d/qgs3dmapconfigwidget.cpp b/src/app/3d/qgs3dmapconfigwidget.cpp
index 6e9bcd59c9bb..36c21a37d8ce 100644
--- a/src/app/3d/qgs3dmapconfigwidget.cpp
+++ b/src/app/3d/qgs3dmapconfigwidget.cpp
@@ -17,6 +17,7 @@
 
 #include "qgs3dmapsettings.h"
 #include "qgsdemterraingenerator.h"
+#include "qgsextent3dwidget.h"
 #include "qgsflatterraingenerator.h"
 #include "qgsonlineterraingenerator.h"
 #include "qgsmeshterraingenerator.h"
@@ -244,11 +245,31 @@ Qgs3DMapConfigWidget::Qgs3DMapConfigWidget( Qgs3DMapSettings *map, QgsMapCanvas
   // ==================
   // Page: General
 
+  mOldRotation = mMap->orientation();
+  mOldExtent = mMap->extent();
+
   mExtent3D->setDefaultExtent( mMap->extent(), mMap->crs() );
   mExtent3D->setMapCanvas( mMainCanvas );
   mExtent3D->setRotation( mMap->orientation() );
   mExtent3D->setShowIn2DView( mMap->showExtentIn2DView() );
 
+  connect( mExtent3D, &QgsExtent3DWidget::extentChanged, this, [ = ]
+  {
+    mMap->setExtent( mExtent3D->extent() );
+    updateTerrain();
+  } );
+
+  connect( mExtent3D, &QgsExtent3DWidget::rotationChanged, this, [ = ]
+  {
+    mMap->setOrientation( mExtent3D->rotation() );
+    updateTerrain();
+  } );
+
+  connect( mExtent3D, &QgsExtent3DWidget::showIn2DViewChanged, this, [ = ]
+  {
+    mMap->setShowExtentIn2DView( mExtent3D->showIn2DView() );
+  } );
+
   onTerrainTypeChanged();
 }
 
@@ -335,6 +356,17 @@ void Qgs3DMapConfigWidget::updateTerrain()
   }
 }
 
+void Qgs3DMapConfigWidget::reject()
+{
+  if ( mExtent3D->extent() == mOldExtent && mExtent3D->rotation() == mOldRotation )
+    return;
+
+  mMap->setExtent( mOldExtent );
+  mMap->setOrientation( mOldRotation );
+
+  updateTerrain();
+}
+
 void Qgs3DMapConfigWidget::apply()
 {
   mMap->setExtent( mExtent3D->extent() );
diff --git a/src/app/3d/qgs3dmapconfigwidget.h b/src/app/3d/qgs3dmapconfigwidget.h
index 822cb35a47b8..fba4dd9e57a3 100644
--- a/src/app/3d/qgs3dmapconfigwidget.h
+++ b/src/app/3d/qgs3dmapconfigwidget.h
@@ -40,6 +40,8 @@ class Qgs3DMapConfigWidget : public QWidget, private Ui::Map3DConfigWidget
 
     void apply();
 
+    void reject();
+
   signals:
 
     void isValidChanged( bool valid );
@@ -60,6 +62,9 @@ class Qgs3DMapConfigWidget : public QWidget, private Ui::Map3DConfigWidget
     QgsShadowRenderingSettingsWidget *mShadowSettingsWidget = nullptr;
     QCheckBox *mShowExtentIn2DViewCheckbox = nullptr;
 
+    double mOldRotation;
+    QgsRectangle mOldExtent;
+
     void init3DAxisPage();
     void updateTerrain();
 };
diff --git a/src/app/3d/qgsextent3dwidget.cpp b/src/app/3d/qgsextent3dwidget.cpp
index a745866409d2..5957d94815bf 100644
--- a/src/app/3d/qgsextent3dwidget.cpp
+++ b/src/app/3d/qgsextent3dwidget.cpp
@@ -83,6 +83,7 @@ QgsExtent3DWidget::QgsExtent3DWidget( QWidget *parent )
 
   connect( mRotationSpinBox, qOverload<int>( &QgsSpinBox::valueChanged ), this, &QgsExtent3DWidget::onRotationChanged );
   connect( mRotationSlider, &QSlider::valueChanged, this, &QgsExtent3DWidget::onRotationChanged );
+  connect( mPreviewExtentCheckBox, &QCheckBox::toggled, this, [ = ] { emit showIn2DViewChanged(); } );
 }
 
 void QgsExtent3DWidget::setMapCanvas( QgsMapCanvas *canvas )
@@ -320,6 +321,7 @@ void QgsExtent3DWidget::setOutputExtent( const QgsRectangle &rectangle, const Qg
   }
 
   updateTitle( state );
+  emit extentChanged();
 }
 
 void QgsExtent3DWidget::updateTitle( const QgsExtentWidget::ExtentState &state )
@@ -359,6 +361,7 @@ QgsRectangle QgsExtent3DWidget::extent() const
 void QgsExtent3DWidget::onRotationChanged( int rotation )
 {
   setRotation( rotation );
+  emit rotationChanged();
 }
 
 void QgsExtent3DWidget::setRotation( double rotation )
diff --git a/src/app/3d/qgsextent3dwidget.h b/src/app/3d/qgsextent3dwidget.h
index acd89678c371..46fefdd6110a 100644
--- a/src/app/3d/qgsextent3dwidget.h
+++ b/src/app/3d/qgsextent3dwidget.h
@@ -68,6 +68,9 @@ class QgsExtent3DWidget : public QgsCollapsibleGroupBox, private Ui::QgsExtent3D
   signals:
 
     void toggleDialogVisibility( bool visible );
+    void extentChanged();
+    void rotationChanged();
+    void showIn2DViewChanged();
 
   private slots: