diff --git a/Assets/VRM10/Editor/ScriptedImporter/VrmScriptedImporterImpl.cs b/Assets/VRM10/Editor/ScriptedImporter/VrmScriptedImporterImpl.cs
index 396a270be..45a0eb247 100644
--- a/Assets/VRM10/Editor/ScriptedImporter/VrmScriptedImporterImpl.cs
+++ b/Assets/VRM10/Editor/ScriptedImporter/VrmScriptedImporterImpl.cs
@@ -36,8 +36,8 @@ namespace UniVRM10
         /// <param name="context"></param>
         /// <param name="migrateToVrm1">vrm0 だった場合に vrm1 化する</param>
         /// <param name="renderPipeline"></param>
-        /// <param name="normalize">normalize する</param>
-        public static void Import(ScriptedImporter scriptedImporter, AssetImportContext context, bool migrateToVrm1, RenderPipelineTypes renderPipeline, bool normalize)
+        /// <param name="doNormalize">normalize する</param>
+        public static void Import(ScriptedImporter scriptedImporter, AssetImportContext context, bool migrateToVrm1, RenderPipelineTypes renderPipeline, bool doNormalize)
         {
 #if VRM_DEVELOP
             Debug.Log("OnImportAsset to " + scriptedImporter.assetPath);
@@ -58,7 +58,9 @@ namespace UniVRM10
 
             var materialGenerator = GetMaterialDescriptorGenerator(renderPipeline);
 
-            using (var loader = new Vrm10Importer(result, extractedObjects, materialGenerator: materialGenerator))
+            using (var loader = new Vrm10Importer(result, extractedObjects,
+                materialGenerator: materialGenerator,
+                doNormalize: doNormalize))
             {
                 // settings TextureImporters
                 foreach (var textureInfo in loader.TextureDescriptorGenerator.Get().GetEnumerable())
diff --git a/Assets/VRM10/Runtime/IO/Vrm10Importer.cs b/Assets/VRM10/Runtime/IO/Vrm10Importer.cs
index 6ebdf76c0..1ed82b9b1 100644
--- a/Assets/VRM10/Runtime/IO/Vrm10Importer.cs
+++ b/Assets/VRM10/Runtime/IO/Vrm10Importer.cs
@@ -20,11 +20,14 @@ namespace UniVRM10
 
         IReadOnlyDictionary<SubAssetKey, UnityEngine.Object> m_externalMap;
 
+        readonly bool m_doNormalize;
+
         public Vrm10Importer(
             Vrm10Data vrm,
             IReadOnlyDictionary<SubAssetKey, UnityEngine.Object> externalObjectMap = null,
             ITextureDeserializer textureDeserializer = null,
-            IMaterialDescriptorGenerator materialGenerator = null)
+            IMaterialDescriptorGenerator materialGenerator = null,
+            bool doNormalize = false)
             : base(vrm.Data, externalObjectMap, textureDeserializer)
         {
             if (vrm == null)
@@ -32,6 +35,7 @@ namespace UniVRM10
                 throw new ArgumentNullException("vrm");
             }
             m_vrm = vrm;
+            m_doNormalize = doNormalize;
 
             TextureDescriptorGenerator = new Vrm10TextureDescriptorGenerator(Data);
             MaterialDescriptorGenerator = materialGenerator ?? new Vrm10MaterialDescriptorGenerator();
@@ -74,6 +78,12 @@ namespace UniVRM10
                 // bin に対して右手左手変換を破壊的に実行することに注意 !(bin が変換済みになる)
                 m_model = ModelReader.Read(Data);
 
+                if (m_doNormalize)
+                {
+                    var result = VrmLib.ModelModifierExtensions.SkinningBake(new VrmLib.ModelModifier(m_model));
+                    Debug.Log($"SkinningBake: {result}");
+                }
+
                 // assign humanoid bones
                 if (m_vrm.VrmExtension.Humanoid is UniGLTF.Extensions.VRMC_vrm.Humanoid humanoid)
                 {
@@ -251,7 +261,7 @@ namespace UniVRM10
             }
             // constraint
             await LoadConstraintAsync(awaitCaller, controller);
-            
+
             // Hierarchyの構築が終わるまで遅延させる
             controller.enabled = true;
         }
@@ -361,7 +371,7 @@ namespace UniVRM10
                 meta.Name = src.Name;
                 meta.Version = src.Version;
                 meta.ContactInformation = src.ContactInformation;
-				meta.ThirdPartyLicenses = src.ThirdPartyLicenses;
+                meta.ThirdPartyLicenses = src.ThirdPartyLicenses;
                 // avatar
                 meta.AvatarPermission = src.AvatarPermission;
                 meta.ViolentUsage = src.AllowExcessivelyViolentUsage.GetValueOrDefault();