Using static NamedPipeClient? PipeClient { get; set; } in Vector3DebuggerVisualizerProvider works.

new VisualizerTargetType("Frame Array Visualizer", "Num.Roto.Visualization.Math.Geometry.Frame[]

Vector3VisualizerSource/Vector3Model.cs

@@ -1,12 +1,13 @@
-using System.Runtime.Serialization;
+using System.Numerics;
+using System.Runtime.Serialization;
 namespace Vector3VisualizerSource;
 
 [DataContract]
 public class Vector3Model
 {
     [DataMember]
-    public string Vector3 { get; set; } = "Null";
+    public Vector3? Vector3 { get; set; }
     [DataMember]
-    public string Quaternion { get; set; } = "Null";
+    public Quaternion? Quaternion { get; set;}
 }