Kepler-Release/Venus/Venus_Themes/UserControls/ButterflyValve.xaml

<UserControl x:Class="Venus_Themes.UserControls.ButterflyValve"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:local="clr-namespace:Venus_Themes.UserControls"
             mc:Ignorable="d" 
             d:DesignHeight="450" d:DesignWidth="800" x:Name="valve" Cursor="Hand">
    <UserControl.RenderTransform>
        <TransformGroup>
            <RotateTransform CenterX="17" CenterY="17" Angle="{Binding ElementName=valve,Path=RotateTransformValue}"/>
        </TransformGroup>
    </UserControl.RenderTransform>
    <Border Width="35" Height="35" CornerRadius="17" Background="#D9D9D9" Opacity="0.95">
        
        <Path Width="31" Height="10" Fill="Black" Stroke="Black"  Stretch="Fill" Data="M213.333333 507.733333h725.333334v42.666667H204.8l145.066667 145.066667-29.866667 29.866666L128 533.333333 320 341.333333l29.866667 29.866667L213.333333 507.733333z"/>
    </Border>
</UserControl>