Freezables and element
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" HorizontalAlignment="Stretch" VerticalAlignment="Stretch"> <StackPanel Orientation="Horizontal" xmlns:po="http://schemas.microsoft.com/winfx/2006/xaml/presentation/options" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="po"> <StackPanel.Resources> <EllipseGeometry x:Key="pathDescription" po:Freeze="True" RadiusX="100" RadiusY="50" Center="100,50" /> </StackPanel.Resources> <Path Data="{StaticResource pathDescription}" Fill="Green" /> <Path Data="{StaticResource pathDescription}" Fill="Cyan" /> <Path Data="{StaticResource pathDescription}" Fill="Black" /> </StackPanel> </Page>