<StackPanel xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" Orientation="Horizontal">
  <Button FontSize="22" Background="Purple" Foreground="White"
  Height="50" Width="50" RenderTransformOrigin=".5,.5">
    <Button.RenderTransform>
      <RotateTransform Angle="10"/>
    </Button.RenderTransform>
    1
  </Button>
  <Button FontSize="22" Background="Purple" Foreground="White"
  Height="50" Width="50" RenderTransformOrigin=".5,.5">
    <Button.RenderTransform>
      <RotateTransform Angle="10"/>
    </Button.RenderTransform>
    2
  </Button>
  <Button FontSize="22" Background="Purple" Foreground="White"
  Height="50" Width="50" RenderTransformOrigin=".5,.5">
    <Button.RenderTransform>
      <RotateTransform Angle="10"/>
    </Button.RenderTransform>
    3
  </Button>
</StackPanel>