Контрол для задания угла поворота

<Window x:Class="WpfApp3.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:i="http://schemas.microsoft.com/xaml/behaviors"
        xmlns:local="clr-namespace:WpfApp3"
        mc:Ignorable="d"
        d:DataContext="{d:DesignInstance local:MainViewModel}"
        Title="MainWindow" Height="450" Width="800">
    <Window.DataContext>
        <local:MainViewModel />
    </Window.DataContext>
    <Grid>
        <Grid Width="150" Height="150" Background="Transparent">
            <i:Interaction.Triggers>
                <i:EventTrigger EventName="MouseMove">
                    <i:InvokeCommandAction Command="{Binding MouseMoveCommand}" PassEventArgsToCommand="True" />
                </i:EventTrigger>
            </i:Interaction.Triggers>
 
            <Grid RenderTransformOrigin="0.5,0.5">
                <Grid.RenderTransform>
                    <RotateTransform Angle="{Binding Angle}"/>
                </Grid.RenderTransform>
 
                <Border CornerRadius="50" Width="100" Height="100" BorderBrush="Gray" BorderThickness="2"
                        RenderTransformOrigin="0.5,0.5"/>
                <Border Margin="0,0,96,0" Width="10" Height="10" CornerRadius="10" Background="#276FF6"/>
            </Grid>
            <TextBlock Margin="5,0,0,0" Text="{Binding Angle, StringFormat='{}{0}°'}" FontWeight="Bold" VerticalAlignment="Center" HorizontalAlignment="Center"/>
        </Grid>
    </Grid>
</Window>