<Grid>
<Rectangle x:Name="rect12" Width="100" Opacity="1" Height="100" RadiusX="1" RadiusY="1" Grid.Row="2" Grid.Column="2" RenderTransformOrigin="0.5,0.5" Fill="red">
<Rectangle.RenderTransform>
<TransformGroup>
<ScaleTransform x:Name="scale1" CenterY="0"/>
<SkewTransform AngleX="-12"/>
<RotateTransform/>
<TranslateTransform/>
</TransformGroup>
</Rectangle.RenderTransform>
</Rectangle>
</Grid>