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;

Vector3VisualizerTest/Vector3VisualizerTest.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Vector3VisualizerTest/Vector3VisualizerTest.slnx

@@ -0,0 +1,3 @@
+<Solution>
+  <Project Path="Vector3VisualizerTest.csproj" />
+</Solution>