diff --git a/Engine.Physics2D/Primitives/Circle.cs b/Engine.Physics2D/Primitives/Circle.cs
index 4a6e180..2be2b56 100644
--- a/Engine.Physics2D/Primitives/Circle.cs
+++ b/Engine.Physics2D/Primitives/Circle.cs
@@ -6,6 +6,8 @@ namespace Syntriax.Engine.Physics2D.Primitives;
 [System.Diagnostics.DebuggerDisplay("Center: {Center.ToString(), nq}, Radius: {Radius}")]
 public readonly struct Circle(Vector2D Center, float Radius)
 {
+    public static readonly Circle UnitCircle = new(Vector2D.Zero, 1f);
+
     public readonly Vector2D Center { get; init; } = Center;
     public readonly float Radius { get; init; } = Radius;