<Window x:Class="WpfApplication1.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="WPF" Height="300" Width="300"> <UniformGrid Columns="3" Rows="4"> <Ellipse Margin="5" Stroke="Black" StrokeThickness="1" > <Ellipse.BitmapEffect> <BlurBitmapEffect Radius="1" /> </Ellipse.BitmapEffect> </Ellipse> </UniformGrid> </Window>