<ModelVisual3D.Transform>
<Transform3DGroup>
<RotateTransform3D CenterX=".5" CenterY=".5" CenterZ=".5">
<RotateTransform3D.Rotation>
<AxisAngleRotation3D x:Name="rotateX" Axis="1 0 0" />
</RotateTransform3D.Rotation>
</RotateTransform3D>
<RotateTransform3D CenterX=".5" CenterY=".5" CenterZ=".5">
<RotateTransform3D.Rotation>
<AxisAngleRotation3D x:Name="rotateY" Axis="0 1 0" />
</RotateTransform3D.Rotation>
</RotateTransform3D>
<RotateTransform3D CenterX=".5" CenterY=".5" CenterZ=".5">
<RotateTransform3D.Rotation>
<AxisAngleRotation3D x:Name="rotateZ" Axis="0 0 1" />
</RotateTransform3D.Rotation>
</RotateTransform3D>
</Transform3DGroup>
</ModelVisual3D.Transform>