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index d6abc2f6bc..7531917dbc 100644
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diff --git a/Assets/VRM10/Samples~/ClothSample/ClothViewer/ClothViewerUI.cs b/Assets/VRM10/Samples~/ClothSample/ClothViewer/ClothViewerUI.cs
index a256708074..57ece660e8 100644
--- a/Assets/VRM10/Samples~/ClothSample/ClothViewer/ClothViewerUI.cs
+++ b/Assets/VRM10/Samples~/ClothSample/ClothViewer/ClothViewerUI.cs
@@ -369,18 +369,6 @@ void OnReset()
         //     }
         // }
 
-        static IMaterialDescriptorGenerator GetVrmMaterialDescriptorGenerator(bool useUrp)
-        {
-            if (useUrp)
-            {
-                return new UrpVrm10MaterialDescriptorGenerator();
-            }
-            else
-            {
-                return new BuiltInVrm10MaterialDescriptorGenerator();
-            }
-        }
-
         void OnInit(Vrm10Instance vrm)
         {
             var animator = vrm.GetComponent<Animator>();
@@ -445,7 +433,6 @@ async void LoadModel(string path)
                     awaitCaller: m_useAsync.isOn
                         ? new RuntimeOnlyAwaitCaller()
                         : new ImmediateCaller(),
-                    materialGenerator: GetVrmMaterialDescriptorGenerator(true),
                     vrmMetaInformationCallback: m_texts.UpdateMeta,
                     springboneRuntime: m_useJob.isOn
                         ? new UniVRM10.ClothWarp.Jobs.ClothWarpJobRuntime(OnInit)
diff --git a/Assets/VRM10/Samples~/ClothSample/ClothViewer/ClothVisualPrimitive.cs b/Assets/VRM10/Samples~/ClothSample/ClothViewer/ClothVisualPrimitive.cs
new file mode 100644
index 0000000000..e0805166b9
--- /dev/null
+++ b/Assets/VRM10/Samples~/ClothSample/ClothViewer/ClothVisualPrimitive.cs
@@ -0,0 +1,49 @@
+using UnityEngine;
+
+namespace UniVRM10.Cloth.Viewer
+{
+    /// <summary>
+    /// Built-in RP と URP の差異を楽に吸収してプリミティブを表示するためのクラス
+    /// </summary>
+    public class ClothVisualPrimitive : MonoBehaviour
+    {
+        [SerializeField] private PrimitiveType _primitiveType;
+
+        public PrimitiveType PrimitiveType
+        {
+            get => _primitiveType;
+            set => _primitiveType = value;
+        }
+
+        private void Start()
+        {
+            var visual = GameObject.CreatePrimitive(_primitiveType);
+            visual.transform.SetParent(transform);
+            visual.transform.localPosition = Vector3.zero;
+            visual.transform.localRotation = Quaternion.identity;
+            visual.transform.localScale = Vector3.one;
+        }
+
+        void OnDrawGizmos()
+        {
+            if (!Application.isPlaying)
+            {
+                Gizmos.matrix = transform.localToWorldMatrix;
+                switch (_primitiveType)
+                {
+                    case PrimitiveType.Sphere:
+                        Gizmos.DrawSphere(Vector3.zero, 1.0f);
+                        break;
+
+                    case PrimitiveType.Plane:
+                        Gizmos.DrawWireCube(Vector3.zero, new Vector3(10, 0.001f, 10));
+                        break;
+
+                    default:
+                        // TODO
+                        break;
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/VRM10/Samples~/ClothSample/ClothViewer/ClothVisualPrimitive.cs.meta b/Assets/VRM10/Samples~/ClothSample/ClothViewer/ClothVisualPrimitive.cs.meta
new file mode 100644
index 0000000000..12add48025
--- /dev/null
+++ b/Assets/VRM10/Samples~/ClothSample/ClothViewer/ClothVisualPrimitive.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 8dcd8d7618dc5b345b8ed39427dfc355
+timeCreated: 1721736320
\ No newline at end of file
diff --git a/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothViewer.unity b/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothViewer.unity
index d6abc2f6bc..7531917dbc 100644
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+++ b/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothViewer.unity
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diff --git a/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothViewerUI.cs b/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothViewerUI.cs
index a256708074..57ece660e8 100644
--- a/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothViewerUI.cs
+++ b/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothViewerUI.cs
@@ -369,18 +369,6 @@ void OnReset()
         //     }
         // }
 
-        static IMaterialDescriptorGenerator GetVrmMaterialDescriptorGenerator(bool useUrp)
-        {
-            if (useUrp)
-            {
-                return new UrpVrm10MaterialDescriptorGenerator();
-            }
-            else
-            {
-                return new BuiltInVrm10MaterialDescriptorGenerator();
-            }
-        }
-
         void OnInit(Vrm10Instance vrm)
         {
             var animator = vrm.GetComponent<Animator>();
@@ -445,7 +433,6 @@ async void LoadModel(string path)
                     awaitCaller: m_useAsync.isOn
                         ? new RuntimeOnlyAwaitCaller()
                         : new ImmediateCaller(),
-                    materialGenerator: GetVrmMaterialDescriptorGenerator(true),
                     vrmMetaInformationCallback: m_texts.UpdateMeta,
                     springboneRuntime: m_useJob.isOn
                         ? new UniVRM10.ClothWarp.Jobs.ClothWarpJobRuntime(OnInit)
diff --git a/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothVisualPrimitive.cs b/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothVisualPrimitive.cs
new file mode 100644
index 0000000000..e0805166b9
--- /dev/null
+++ b/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothVisualPrimitive.cs
@@ -0,0 +1,49 @@
+using UnityEngine;
+
+namespace UniVRM10.Cloth.Viewer
+{
+    /// <summary>
+    /// Built-in RP と URP の差異を楽に吸収してプリミティブを表示するためのクラス
+    /// </summary>
+    public class ClothVisualPrimitive : MonoBehaviour
+    {
+        [SerializeField] private PrimitiveType _primitiveType;
+
+        public PrimitiveType PrimitiveType
+        {
+            get => _primitiveType;
+            set => _primitiveType = value;
+        }
+
+        private void Start()
+        {
+            var visual = GameObject.CreatePrimitive(_primitiveType);
+            visual.transform.SetParent(transform);
+            visual.transform.localPosition = Vector3.zero;
+            visual.transform.localRotation = Quaternion.identity;
+            visual.transform.localScale = Vector3.one;
+        }
+
+        void OnDrawGizmos()
+        {
+            if (!Application.isPlaying)
+            {
+                Gizmos.matrix = transform.localToWorldMatrix;
+                switch (_primitiveType)
+                {
+                    case PrimitiveType.Sphere:
+                        Gizmos.DrawSphere(Vector3.zero, 1.0f);
+                        break;
+
+                    case PrimitiveType.Plane:
+                        Gizmos.DrawWireCube(Vector3.zero, new Vector3(10, 0.001f, 10));
+                        break;
+
+                    default:
+                        // TODO
+                        break;
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothVisualPrimitive.cs.meta b/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothVisualPrimitive.cs.meta
new file mode 100644
index 0000000000..12add48025
--- /dev/null
+++ b/Assets/VRM10_Samples/ClothSample/ClothViewer/ClothVisualPrimitive.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 8dcd8d7618dc5b345b8ed39427dfc355
+timeCreated: 1721736320
\ No newline at end of file