diff --git a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialog.cs b/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialog.cs
index eda9391d6..ef15a9d84 100644
--- a/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialog.cs
+++ b/Assets/UniGLTF/Editor/MeshUtility/MeshProcessDialog.cs
@@ -1,5 +1,3 @@
-using System;
-using System.IO;
 using System.Linq;
 using System.Reflection;
 using UnityEngine;
@@ -37,7 +35,6 @@ namespace UniGLTF.MeshUtility
         private BoneMeshEraser.EraseBone[] _eraseBones;
 
         private MethodInfo _processFunction;
-        private bool _isInvokeSuccess = false;
 
         GUIStyle _tabButtonStyle => "LargeButton";
         GUI.ToolbarButtonSize _tabButtonSize => GUI.ToolbarButtonSize.Fixed;
@@ -68,23 +65,53 @@ namespace UniGLTF.MeshUtility
             LanguageGetter.OnGuiSelectLang();
 
             _tab = TabBar.OnGUI(_tab, _tabButtonStyle, _tabButtonSize);
-
+            var processed = false;
             switch (_tab)
             {
                 case Tabs.MeshSeparator:
                     EditorGUILayout.LabelField(MeshProcessingMessages.MESH_SEPARATOR.Msg());
+                    OnGUI_ExportTarget();
+                    processed = TabMeshSeparator.OnGUI(_exportTarget);
                     break;
                 case Tabs.MeshIntegrator:
                     EditorGUILayout.LabelField(MeshProcessingMessages.MESH_INTEGRATOR.Msg());
+                    OnGUI_ExportTarget();
+                    processed = TabMeshIntegrator.OnGUI(_exportTarget);
                     break;
                 case Tabs.StaticMeshIntegrator:
                     EditorGUILayout.LabelField(MeshProcessingMessages.STATIC_MESH_INTEGRATOR.Msg());
+                    OnGUI_ExportTarget();
+                    processed = TabStaticMeshIntegrator.OnGUI(_exportTarget);
                     break;
                 case Tabs.BoneMeshEraser:
                     EditorGUILayout.LabelField(MeshProcessingMessages.BONE_MESH_ERASER.Msg());
+                    OnGUI_ExportTarget();
+                    if (_boneMeshEraserEditor)
+                    {
+                        _boneMeshEraserEditor.OnInspectorGUI();
+                    }
+                    // any better way we can detect component change?
+                    if (_cSkinnedMesh != _pSkinnedMesh || _cAnimator != _pAnimator || _cEraseRoot != _pEraseRoot)
+                    {
+                        BoneMeshEraserValidate();
+                    }
+                    _pSkinnedMesh = _cSkinnedMesh;
+                    _pAnimator = _cAnimator;
+                    _pEraseRoot = _cEraseRoot;
+                    processed = TabBoneMeshRemover.OnGUI(_exportTarget, _cSkinnedMesh, _cEraseRoot, _eraseBones);
                     break;
             }
+            EditorGUILayout.EndScrollView();
 
+            if (processed)
+            {
+                Close();
+                GUIUtility.ExitGUI();
+            }
+        }
+
+        private void OnGUI_ExportTarget()
+        {
             EditorGUILayout.BeginHorizontal();
             EditorGUILayout.LabelField(MeshProcessingMessages.TARGET_OBJECT.Msg(), GUILayout.MaxWidth(146.0f));
             _exportTarget = (GameObject)EditorGUILayout.ObjectField(_exportTarget, typeof(GameObject), true);
@@ -93,175 +120,6 @@ namespace UniGLTF.MeshUtility
             {
                 _exportTarget = Selection.activeObject as GameObject;
             }
-
-            if (_tab == Tabs.BoneMeshEraser)
-            {
-                if (_boneMeshEraserEditor)
-                {
-                    _boneMeshEraserEditor.OnInspectorGUI();
-                }
-                // any better way we can detect component change?
-                if (_cSkinnedMesh != _pSkinnedMesh || _cAnimator != _pAnimator || _cEraseRoot != _pEraseRoot)
-                {
-                    BoneMeshEraserValidate();
-                }
-                _pSkinnedMesh = _cSkinnedMesh;
-                _pAnimator = _cAnimator;
-                _pEraseRoot = _cEraseRoot;
-            }
-
-            // Create Other Buttons
-            {
-                GUILayout.BeginVertical();
-                {
-                    GUILayout.BeginHorizontal();
-                    GUILayout.FlexibleSpace();
-
-                    if (GUILayout.Button("Process", GUILayout.MinWidth(100)))
-                    {
-                        switch (_tab)
-                        {
-                            case Tabs.MeshSeparator:
-                                _isInvokeSuccess = InvokeWizardUpdate("MeshSeparator");
-                                break;
-                            case Tabs.MeshIntegrator:
-                                _isInvokeSuccess = InvokeWizardUpdate("MeshIntegrator");
-                                break;
-                            case Tabs.StaticMeshIntegrator:
-                                _isInvokeSuccess = InvokeWizardUpdate("StaticMeshIntegrator");
-                                break;
-                            case Tabs.BoneMeshEraser:
-                                _isInvokeSuccess = InvokeWizardUpdate("BoneMeshRemover");
-                                break;
-                        }
-                        if (_isInvokeSuccess)
-                        {
-                            Close();
-                            GUIUtility.ExitGUI();
-                        }
-                    }
-                    GUI.enabled = true;
-
-                    GUILayout.EndHorizontal();
-                }
-                GUILayout.EndVertical();
-            }
-            EditorGUILayout.EndScrollView();
-        }
-
-        private bool InvokeWizardUpdate(string processFuntion)
-        {
-            const BindingFlags kInstanceInvokeFlags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.FlattenHierarchy;
-            _processFunction = GetType().GetMethod(processFuntion, kInstanceInvokeFlags);
-            if (_processFunction != null)
-            {
-                return (Boolean)_processFunction.Invoke(this, null);
-            }
-            else
-            {
-                Debug.LogError("This function has not been implemented in script");
-                return false;
-            }
-        }
-
-        private bool GameObjectNull()
-        {
-            EditorUtility.DisplayDialog("Failed", MeshProcessingMessages.NO_GAMEOBJECT_SELECTED.Msg(), "ok");
-            return false;
-        }
-
-        private bool MeshSeparator()
-        {
-            if (_exportTarget == null) return GameObjectNull();
-            var go = _exportTarget;
-
-            if (go.GetComponentsInChildren<SkinnedMeshRenderer>().Length > 0)
-            {
-                // copy
-                var outputObject = GameObject.Instantiate(go);
-                outputObject.name = outputObject.name + "_mesh_separation";
-                // 改変と asset の作成
-                var list = MeshUtility.SeparationProcessing(outputObject);
-                foreach (var (src, with, without) in list)
-                {
-                    // asset の永続化
-                    MeshUtility.SaveMesh(src, with, MeshUtility.BlendShapeLogic.WithBlendShape);
-                    MeshUtility.SaveMesh(src, without, MeshUtility.BlendShapeLogic.WithoutBlendShape);
-                }
-                return true;
-            }
-            else
-            {
-                EditorUtility.DisplayDialog("Failed", MeshProcessingMessages.NO_SKINNED_MESH.Msg(), "ok");
-                return false;
-            }
-        }
-
-        private bool MeshIntegrator()
-        {
-            if (_exportTarget == null) return GameObjectNull();
-            var go = _exportTarget;
-
-            Component[] allComponents = go.GetComponents(typeof(Component));
-            var keyWord = "VRMMeta";
-
-            foreach (var component in allComponents)
-            {
-                if (component == null) continue;
-                var sourceString = component.ToString();
-                if (sourceString.Contains(keyWord))
-                {
-                    EditorUtility.DisplayDialog("Failed", MeshProcessingMessages.VRM_DETECTED.Msg(), "ok");
-                    return false;
-                }
-            }
-
-            if (go.GetComponentsInChildren<SkinnedMeshRenderer>().Length > 0 || go.GetComponentsInChildren<MeshFilter>().Length > 0)
-            {
-                MeshUtility.MeshIntegrator(go);
-                return true;
-            }
-            else
-            {
-                EditorUtility.DisplayDialog("Failed", MeshProcessingMessages.NO_MESH.Msg(), "ok");
-                return false;
-            }
-        }
-
-        private bool StaticMeshIntegrator()
-        {
-            if (_exportTarget == null) return GameObjectNull();
-            var go = _exportTarget;
-            if (go.GetComponentsInChildren<MeshFilter>().Length > 0)
-            {
-                MeshUtility.IntegrateSelected(go);
-                return true;
-            }
-            else
-            {
-                EditorUtility.DisplayDialog("Failed", MeshProcessingMessages.NO_STATIC_MESH.Msg(), "ok");
-                return false;
-            }
-        }
-
-        private bool BoneMeshRemover()
-        {
-            if (_exportTarget == null) return GameObjectNull();
-            var go = _exportTarget;
-
-            if (_cSkinnedMesh == null)
-            {
-                EditorUtility.DisplayDialog("Failed", MeshProcessingMessages.SELECT_SKINNED_MESH.Msg(), "ok");
-                return false;
-            }
-            else if (_cEraseRoot == null)
-            {
-                EditorUtility.DisplayDialog("Failed", MeshProcessingMessages.SELECT_ERASE_ROOT.Msg(), "ok");
-                return false;
-            }
-            BoneMeshRemove(go);
-
-            return true;
         }
 
         private void BoneMeshEraserValidate()
@@ -302,68 +160,5 @@ namespace UniGLTF.MeshUtility
             })
             .ToArray();
         }
-
-        private void BoneMeshRemove(GameObject go)
-        {
-            var renderer = Remove(go);
-            var outputObject = GameObject.Instantiate(go);
-            outputObject.name = outputObject.name + "_bone_mesh_erase";
-            if (renderer == null)
-            {
-                return;
-            }
-
-            // save mesh to Assets
-            var assetPath = string.Format("{0}{1}", go.name, MeshUtility.ASSET_SUFFIX);
-            var prefab = MeshUtility.GetPrefab(go);
-            if (prefab != null)
-            {
-                var prefabPath = AssetDatabase.GetAssetPath(prefab);
-                assetPath = string.Format("{0}/{1}{2}",
-                    Path.GetDirectoryName(prefabPath),
-                    Path.GetFileNameWithoutExtension(prefabPath),
-                    MeshUtility.ASSET_SUFFIX
-                    );
-            }
-
-            Debug.LogFormat("CreateAsset: {0}", assetPath);
-            AssetDatabase.CreateAsset(renderer.sharedMesh, assetPath);
-
-            // destroy BoneMeshEraser in the source
-            foreach (var skinnedMesh in go.GetComponentsInChildren<SkinnedMeshRenderer>())
-            {
-                if (skinnedMesh.gameObject.name == BoneMeshEraserWizard.BONE_MESH_ERASER_NAME)
-                {
-                    GameObject.DestroyImmediate(skinnedMesh.gameObject);
-                }
-            }
-            // destroy the original mesh in the copied GameObject
-            foreach (var skinnedMesh in outputObject.GetComponentsInChildren<SkinnedMeshRenderer>())
-            {
-                if (skinnedMesh.sharedMesh == _cSkinnedMesh.sharedMesh)
-                {
-                    GameObject.DestroyImmediate(skinnedMesh);
-                }
-            }
-        }
-
-        private SkinnedMeshRenderer Remove(GameObject go)
-        {
-            var bones = _cSkinnedMesh.bones;
-            var eraseBones = _eraseBones
-                .Where(x => x.Erase)
-                .Select(x => Array.IndexOf(bones, x.Bone))
-                .ToArray();
-
-            var meshNode = new GameObject(BoneMeshEraserWizard.BONE_MESH_ERASER_NAME);
-            meshNode.transform.SetParent(go.transform, false);
-
-            var erased = meshNode.AddComponent<SkinnedMeshRenderer>();
-            erased.sharedMesh = BoneMeshEraser.CreateErasedMesh(_cSkinnedMesh.sharedMesh, eraseBones);
-            erased.sharedMaterials = _cSkinnedMesh.sharedMaterials;
-            erased.bones = _cSkinnedMesh.bones;
-
-            return erased;
-        }
     }
 }
\ No newline at end of file
diff --git a/Assets/UniGLTF/Editor/MeshUtility/TabBoneMeshRemover.cs b/Assets/UniGLTF/Editor/MeshUtility/TabBoneMeshRemover.cs
new file mode 100644
index 000000000..b4400fa2f
--- /dev/null
+++ b/Assets/UniGLTF/Editor/MeshUtility/TabBoneMeshRemover.cs
@@ -0,0 +1,116 @@
+using System;
+using System.IO;
+using System.Linq;
+using UniGLTF.M17N;
+using UnityEditor;
+using UnityEngine;
+
+namespace UniGLTF.MeshUtility
+{
+    public static class TabBoneMeshRemover
+    {
+        public static bool OnGUI(GameObject _exportTarget, SkinnedMeshRenderer _cSkinnedMesh, Transform _cEraseRoot, BoneMeshEraser.EraseBone[] _eraseBones)
+        {
+            var _isInvokeSuccess = false;
+            GUILayout.BeginVertical();
+            {
+                GUILayout.BeginHorizontal();
+                GUILayout.FlexibleSpace();
+                if (GUILayout.Button("Process", GUILayout.MinWidth(100)))
+                {
+                    _isInvokeSuccess = TabBoneMeshRemover.Execute(_exportTarget, _cSkinnedMesh, _cEraseRoot, _eraseBones);
+                }
+                GUILayout.EndHorizontal();
+            }
+            GUILayout.EndVertical();
+            return _isInvokeSuccess;
+        }
+
+        public static bool Execute(GameObject _exportTarget, SkinnedMeshRenderer _cSkinnedMesh, Transform _cEraseRoot, BoneMeshEraser.EraseBone[] _eraseBones)
+        {
+            if (_exportTarget == null)
+            {
+                EditorUtility.DisplayDialog("Failed", MeshProcessingMessages.NO_GAMEOBJECT_SELECTED.Msg(), "ok");
+                return false;
+            }
+            var go = _exportTarget;
+
+            if (_cSkinnedMesh == null)
+            {
+                EditorUtility.DisplayDialog("Failed", MeshProcessingMessages.SELECT_SKINNED_MESH.Msg(), "ok");
+                return false;
+            }
+            else if (_cEraseRoot == null)
+            {
+                EditorUtility.DisplayDialog("Failed", MeshProcessingMessages.SELECT_ERASE_ROOT.Msg(), "ok");
+                return false;
+            }
+            BoneMeshRemove(go, _cSkinnedMesh, _eraseBones);
+
+            return true;
+        }
+
+        private static void BoneMeshRemove(GameObject go, SkinnedMeshRenderer _cSkinnedMesh, BoneMeshEraser.EraseBone[] _eraseBones)
+        {
+            var renderer = Remove(go, _cSkinnedMesh, _eraseBones);
+            var outputObject = GameObject.Instantiate(go);
+            outputObject.name = outputObject.name + "_bone_mesh_erase";
+            if (renderer == null)
+            {
+                return;
+            }
+
+            // save mesh to Assets
+            var assetPath = string.Format("{0}{1}", go.name, MeshUtility.ASSET_SUFFIX);
+            var prefab = MeshUtility.GetPrefab(go);
+            if (prefab != null)
+            {
+                var prefabPath = AssetDatabase.GetAssetPath(prefab);
+                assetPath = string.Format("{0}/{1}{2}",
+                    Path.GetDirectoryName(prefabPath),
+                    Path.GetFileNameWithoutExtension(prefabPath),
+                    MeshUtility.ASSET_SUFFIX
+                    );
+            }
+
+            Debug.LogFormat("CreateAsset: {0}", assetPath);
+            AssetDatabase.CreateAsset(renderer.sharedMesh, assetPath);
+
+            // destroy BoneMeshEraser in the source
+            foreach (var skinnedMesh in go.GetComponentsInChildren<SkinnedMeshRenderer>())
+            {
+                if (skinnedMesh.gameObject.name == BoneMeshEraserWizard.BONE_MESH_ERASER_NAME)
+                {
+                    GameObject.DestroyImmediate(skinnedMesh.gameObject);
+                }
+            }
+            // destroy the original mesh in the copied GameObject
+            foreach (var skinnedMesh in outputObject.GetComponentsInChildren<SkinnedMeshRenderer>())
+            {
+                if (skinnedMesh.sharedMesh == _cSkinnedMesh.sharedMesh)
+                {
+                    GameObject.DestroyImmediate(skinnedMesh);
+                }
+            }
+        }
+
+        private static SkinnedMeshRenderer Remove(GameObject go, SkinnedMeshRenderer _cSkinnedMesh, BoneMeshEraser.EraseBone[] _eraseBones)
+        {
+            var bones = _cSkinnedMesh.bones;
+            var eraseBones = _eraseBones
+                .Where(x => x.Erase)
+                .Select(x => Array.IndexOf(bones, x.Bone))
+                .ToArray();
+
+            var meshNode = new GameObject(BoneMeshEraserWizard.BONE_MESH_ERASER_NAME);
+            meshNode.transform.SetParent(go.transform, false);
+
+            var erased = meshNode.AddComponent<SkinnedMeshRenderer>();
+            erased.sharedMesh = BoneMeshEraser.CreateErasedMesh(_cSkinnedMesh.sharedMesh, eraseBones);
+            erased.sharedMaterials = _cSkinnedMesh.sharedMaterials;
+            erased.bones = _cSkinnedMesh.bones;
+
+            return erased;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/UniGLTF/Editor/MeshUtility/TabBoneMeshRemover.cs.meta b/Assets/UniGLTF/Editor/MeshUtility/TabBoneMeshRemover.cs.meta
new file mode 100644
index 000000000..29e107335
--- /dev/null
+++ b/Assets/UniGLTF/Editor/MeshUtility/TabBoneMeshRemover.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 4094f82d7ee108a4997d80a692116033
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/UniGLTF/Editor/MeshUtility/TabMeshIntegrator.cs b/Assets/UniGLTF/Editor/MeshUtility/TabMeshIntegrator.cs
new file mode 100644
index 000000000..9befa651b
--- /dev/null
+++ b/Assets/UniGLTF/Editor/MeshUtility/TabMeshIntegrator.cs
@@ -0,0 +1,61 @@
+using UniGLTF.M17N;
+using UnityEditor;
+using UnityEngine;
+
+namespace UniGLTF.MeshUtility
+{
+    public static class TabMeshIntegrator
+    {
+        public static bool OnGUI(GameObject _exportTarget)
+        {
+            var _isInvokeSuccess = false;
+            GUILayout.BeginVertical();
+            {
+                GUILayout.BeginHorizontal();
+                GUILayout.FlexibleSpace();
+                if (GUILayout.Button("Process", GUILayout.MinWidth(100)))
+                {
+                    _isInvokeSuccess = TabMeshIntegrator.Execute(_exportTarget);
+                }
+                GUILayout.EndHorizontal();
+            }
+            GUILayout.EndVertical();
+            return _isInvokeSuccess;
+        }
+
+        static bool Execute(GameObject _exportTarget)
+        {
+            if (_exportTarget == null)
+            {
+                EditorUtility.DisplayDialog("Failed", MeshProcessingMessages.NO_GAMEOBJECT_SELECTED.Msg(), "ok");
+                return false;
+            }
+            var go = _exportTarget;
+
+            var allComponents = go.GetComponents(typeof(Component));
+            var keyWord = "VRMMeta";
+
+            foreach (var component in allComponents)
+            {
+                if (component == null) continue;
+                var sourceString = component.ToString();
+                if (sourceString.Contains(keyWord))
+                {
+                    EditorUtility.DisplayDialog("Failed", MeshProcessingMessages.VRM_DETECTED.Msg(), "ok");
+                    return false;
+                }
+            }
+
+            if (go.GetComponentsInChildren<SkinnedMeshRenderer>().Length > 0 || go.GetComponentsInChildren<MeshFilter>().Length > 0)
+            {
+                MeshUtility.MeshIntegrator(go);
+                return true;
+            }
+            else
+            {
+                EditorUtility.DisplayDialog("Failed", MeshProcessingMessages.NO_MESH.Msg(), "ok");
+                return false;
+            }
+        }
+    }
+}
diff --git a/Assets/UniGLTF/Editor/MeshUtility/TabMeshIntegrator.cs.meta b/Assets/UniGLTF/Editor/MeshUtility/TabMeshIntegrator.cs.meta
new file mode 100644
index 000000000..5c60a51fe
--- /dev/null
+++ b/Assets/UniGLTF/Editor/MeshUtility/TabMeshIntegrator.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 65a227dcf3cb5f34085bd6829894fb64
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/UniGLTF/Editor/MeshUtility/TabMeshSeparator.cs b/Assets/UniGLTF/Editor/MeshUtility/TabMeshSeparator.cs
new file mode 100644
index 000000000..0966be00e
--- /dev/null
+++ b/Assets/UniGLTF/Editor/MeshUtility/TabMeshSeparator.cs
@@ -0,0 +1,57 @@
+using UniGLTF.M17N;
+using UnityEditor;
+using UnityEngine;
+
+namespace UniGLTF.MeshUtility
+{
+    public static class TabMeshSeparator
+    {
+        public static bool OnGUI(GameObject _exportTarget)
+        {
+            var _isInvokeSuccess = false;
+            GUILayout.BeginVertical();
+            {
+                GUILayout.BeginHorizontal();
+                GUILayout.FlexibleSpace();
+                if (GUILayout.Button("Process", GUILayout.MinWidth(100)))
+                {
+                    _isInvokeSuccess = TabMeshSeparator.Execute(_exportTarget);
+                }
+                GUILayout.EndHorizontal();
+            }
+            GUILayout.EndVertical();
+            return _isInvokeSuccess;
+        }
+
+        static bool Execute(GameObject _exportTarget)
+        {
+            if (_exportTarget == null)
+            {
+                EditorUtility.DisplayDialog("Failed", MeshProcessingMessages.NO_GAMEOBJECT_SELECTED.Msg(), "ok");
+                return false;
+            }
+
+            var go = _exportTarget;
+            if (go.GetComponentsInChildren<SkinnedMeshRenderer>().Length > 0)
+            {
+                // copy
+                var outputObject = GameObject.Instantiate(go);
+                outputObject.name = outputObject.name + "_mesh_separation";
+                // 改変と asset の作成
+                var list = MeshUtility.SeparationProcessing(outputObject);
+                foreach (var (src, with, without) in list)
+                {
+                    // asset の永続化
+                    MeshUtility.SaveMesh(src, with, MeshUtility.BlendShapeLogic.WithBlendShape);
+                    MeshUtility.SaveMesh(src, without, MeshUtility.BlendShapeLogic.WithoutBlendShape);
+                }
+                return true;
+            }
+            else
+            {
+                EditorUtility.DisplayDialog("Failed", MeshProcessingMessages.NO_SKINNED_MESH.Msg(), "ok");
+                return false;
+            }
+        }
+    }
+}
diff --git a/Assets/UniGLTF/Editor/MeshUtility/TabMeshSeparator.cs.meta b/Assets/UniGLTF/Editor/MeshUtility/TabMeshSeparator.cs.meta
new file mode 100644
index 000000000..8fb9a175b
--- /dev/null
+++ b/Assets/UniGLTF/Editor/MeshUtility/TabMeshSeparator.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 8921d732b66ae134db97faa11eaa9b17
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/UniGLTF/Editor/MeshUtility/TabStaticMeshIntegrator.cs b/Assets/UniGLTF/Editor/MeshUtility/TabStaticMeshIntegrator.cs
new file mode 100644
index 000000000..4d837d2e7
--- /dev/null
+++ b/Assets/UniGLTF/Editor/MeshUtility/TabStaticMeshIntegrator.cs
@@ -0,0 +1,47 @@
+using UniGLTF.M17N;
+using UnityEditor;
+using UnityEngine;
+
+namespace UniGLTF.MeshUtility
+{
+    public static class TabStaticMeshIntegrator
+    {
+        public static bool OnGUI(GameObject _exportTarget)
+        {
+            var _isInvokeSuccess = false;
+            GUILayout.BeginVertical();
+            {
+                GUILayout.BeginHorizontal();
+                GUILayout.FlexibleSpace();
+                if (GUILayout.Button("Process", GUILayout.MinWidth(100)))
+                {
+                    _isInvokeSuccess = TabStaticMeshIntegrator.Execute(_exportTarget);
+                }
+                GUILayout.EndHorizontal();
+            }
+            GUILayout.EndVertical();
+            return _isInvokeSuccess;
+        }
+
+        static bool Execute(GameObject _exportTarget)
+        {
+            if (_exportTarget == null)
+            {
+                EditorUtility.DisplayDialog("Failed", MeshProcessingMessages.NO_GAMEOBJECT_SELECTED.Msg(), "ok");
+                return false;
+            }
+            var go = _exportTarget;
+
+            if (go.GetComponentsInChildren<MeshFilter>().Length > 0)
+            {
+                MeshUtility.IntegrateSelected(go);
+                return true;
+            }
+            else
+            {
+                EditorUtility.DisplayDialog("Failed", MeshProcessingMessages.NO_STATIC_MESH.Msg(), "ok");
+                return false;
+            }
+        }
+    }
+}
diff --git a/Assets/UniGLTF/Editor/MeshUtility/TabStaticMeshIntegrator.cs.meta b/Assets/UniGLTF/Editor/MeshUtility/TabStaticMeshIntegrator.cs.meta
new file mode 100644
index 000000000..4c0e30384
--- /dev/null
+++ b/Assets/UniGLTF/Editor/MeshUtility/TabStaticMeshIntegrator.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 9701e1f6aaed8d14283243a7a50be2df
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: