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

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

Vector3VisualizerTest/Program.cs

@@ -0,0 +1,12 @@
+
+using System.Numerics;
+
+var a  = new Vector3(1,2,3);
+var typeName = a.GetType().AssemblyQualifiedName;
+
+var b = new Vector3(5, 6, 7);
+Vector3[] v3Array = [a, b];
+List<Vector3> v3List = v3Array.ToList();
+
+var quaternion = new Quaternion(1,2,3,4);
+return;