WPF : ViewPort3D, ModelVisual3D XAML example

< DockPanel >
  < Viewport3D Name="myViewport" >

    < Viewport3D.Camera >
      < PerspectiveCamera FarPlaneDistance="20" LookDirection="5,-2,-3" UpDirection="0,1,0" NearPlaneDistance="0" Position="-5,2,3" FieldOfView="45" />
    </ Viewport3D.Camera >

    < ModelVisual3D x:Name="topModelVisual3D" >
      < ModelVisual3D.Children >
        < ModelVisual3D >
          < ModelVisual3D.Content >
            < DirectionalLight Color="#FFFFFFFF" Direction="-3,-4,-5" />
          </ ModelVisual3D.Content >
        </ ModelVisual3D >

        < ModelVisual3D >
          < ModelVisual3D.Content >
            < GeometryModel3D Geometry="{StaticResource myTeapot}" >
              < GeometryModel3D.Material >
                < DiffuseMaterial >
                  < DiffuseMaterial.Brush >
                    < SolidColorBrush Color="Blue" Opacity="1.0" />
                  </ DiffuseMaterial.Brush >
                </ DiffuseMaterial >
              </ GeometryModel3D.Material >
              < GeometryModel3D.Transform >
                < RotateTransform3D >
                  < RotateTransform3D.Rotation >
                    < AxisAngleRotation3D x:Name="myAngleRotation" Axis="0,3,0" Angle="1" />
                  </ RotateTransform3D.Rotation >
                </ RotateTransform3D >
              </ GeometryModel3D.Transform >
            </ GeometryModel3D >
          </ ModelVisual3D.Content >
        </ ModelVisual3D >


      </ ModelVisual3D.Children >
    </ ModelVisual3D >


    < Viewport3D.Triggers >

      < EventTrigger RoutedEvent="Viewport3D.Loaded" >
        < BeginStoryboard >
          < Storyboard >
            < DoubleAnimation
              Storyboard.TargetName="myAngleRotation"
              Storyboard.TargetProperty="Angle"
              From="0" To="360" Duration="0:0:10"
              RepeatBehavior="Forever" />
          </ Storyboard >
        </ BeginStoryboard >
      </ EventTrigger >
    </ Viewport3D.Triggers >

  </ Viewport3D >
</ DockPanel >