diff --git a/src/document.cpp b/src/document.cpp
index 4997b8bd..001f6da3 100644
--- a/src/document.cpp
+++ b/src/document.cpp
@@ -26,6 +26,9 @@ Document::Document() :
     textureColorImage(nullptr),
     textureNormalImage(nullptr),
     textureMetalnessRoughnessAmbientOcclusionImage(nullptr),
+    textureMetalnessImage(nullptr),
+    textureRoughnessImage(nullptr),
+    textureAmbientOcclusionImage(nullptr),
     rigType(RigType::None),
     weldEnabled(true),
     // private
@@ -66,6 +69,9 @@ Document::~Document()
     delete textureColorImage;
     delete textureNormalImage;
     delete textureMetalnessRoughnessAmbientOcclusionImage;
+    delete textureMetalnessImage;
+    delete textureRoughnessImage;
+    delete textureAmbientOcclusionImage;
     delete textureBorderImage;
     delete m_resultTextureMesh;
     delete m_resultRigWeightMesh;
@@ -1523,6 +1529,15 @@ void Document::textureReady()
     delete textureMetalnessRoughnessAmbientOcclusionImage;
     textureMetalnessRoughnessAmbientOcclusionImage = m_textureGenerator->takeResultTextureMetalnessRoughnessAmbientOcclusionImage();
     
+    delete textureMetalnessImage;
+    textureMetalnessImage = m_textureGenerator->takeResultTextureMetalnessImage();
+    
+    delete textureRoughnessImage;
+    textureRoughnessImage = m_textureGenerator->takeResultTextureRoughnessImage();
+    
+    delete textureAmbientOcclusionImage;
+    textureAmbientOcclusionImage = m_textureGenerator->takeResultTextureAmbientOcclusionImage();
+    
     delete m_resultTextureMesh;
     m_resultTextureMesh = m_textureGenerator->takeResultMesh();
     
diff --git a/src/document.h b/src/document.h
index 97cb815d..3d557a97 100644
--- a/src/document.h
+++ b/src/document.h
@@ -453,6 +453,9 @@ public: // need initialize
     QImage *textureColorImage;
     QImage *textureNormalImage;
     QImage *textureMetalnessRoughnessAmbientOcclusionImage;
+    QImage *textureMetalnessImage;
+    QImage *textureRoughnessImage;
+    QImage *textureAmbientOcclusionImage;
     RigType rigType;
     bool weldEnabled;
 public:
diff --git a/src/documentwindow.cpp b/src/documentwindow.cpp
index 900fabc7..245d8933 100644
--- a/src/documentwindow.cpp
+++ b/src/documentwindow.cpp
@@ -1270,7 +1270,11 @@ void DocumentWindow::exportFbxResult()
         exportMotions.push_back({motion->name, motion->jointNodeTrees});
     }
     FbxFileWriter fbxFileWriter(skeletonResult, m_document->resultRigBones(), m_document->resultRigWeights(), filename,
-        m_document->textureImage, m_document->textureNormalImage, m_document->textureMetalnessRoughnessAmbientOcclusionImage,
+        m_document->textureImage,
+        m_document->textureNormalImage,
+        m_document->textureMetalnessImage,
+        m_document->textureRoughnessImage,
+        m_document->textureAmbientOcclusionImage,
         exportMotions.empty() ? nullptr : &exportMotions);
     fbxFileWriter.save();
     QApplication::restoreOverrideCursor();
diff --git a/src/fbxfile.cpp b/src/fbxfile.cpp
index a3e558bc..46353af5 100644
--- a/src/fbxfile.cpp
+++ b/src/fbxfile.cpp
@@ -2206,7 +2206,9 @@ FbxFileWriter::FbxFileWriter(Outcome &outcome,
         const QString &filename,
         QImage *textureImage,
         QImage *normalImage,
-        QImage *ormImage,
+        QImage *metalnessImage,
+        QImage *roughnessImage,
+        QImage *ambientOcclusionImage,
         const std::vector<std::pair<QString, std::vector<std::pair<float, JointNodeTree>>>> *motions) :
     m_filename(filename),
     m_baseName(QFileInfo(m_filename).baseName())
@@ -2922,7 +2924,7 @@ FbxFileWriter::FbxFileWriter(Outcome &outcome,
             p.addProperty("float");
             p.addProperty("");
             p.addProperty("");
-            p.addProperty((float)0.000000);
+            p.addProperty(metalnessImage ? (float)1.000000 : (float)0.000000);
             properties.addChild(p);
         }
         {
@@ -2950,7 +2952,7 @@ FbxFileWriter::FbxFileWriter(Outcome &outcome,
             p.addProperty("float");
             p.addProperty("");
             p.addProperty("");
-            p.addProperty((float)0.000000);
+            p.addProperty(roughnessImage ? (float)1.000000 : (float)0.000000);
             properties.addChild(p);
         }
         {
@@ -3029,7 +3031,7 @@ FbxFileWriter::FbxFileWriter(Outcome &outcome,
             p.addProperty("float");
             p.addProperty("");
             p.addProperty("");
-            p.addProperty((float)0.000000);
+            p.addProperty(ambientOcclusionImage ? (float)1.000000 : (float)0.000000);
             properties.addChild(p);
         }
         {
@@ -3577,6 +3579,27 @@ FbxFileWriter::FbxFileWriter(Outcome &outcome,
             m_baseName + "_normal.png",
             "Maya|TEX_normal_map");
     }
+    if (nullptr != metalnessImage) {
+        addTexture(metalnessImage,
+            std::vector<uint8_t>({'V','i','d','e','o',0,1,'M','e','t','a','l','l','i','c'}),
+            std::vector<uint8_t>({'T','e','x','t','u','r','e',0,1,'M','e','t','a','l','l','i','c'}),
+            m_baseName + "_metallic.png",
+            "Maya|TEX_metallic_map");
+    }
+    if (nullptr != roughnessImage) {
+        addTexture(roughnessImage,
+            std::vector<uint8_t>({'V','i','d','e','o',0,1,'R','o','u','g','h','n','e','s','s'}),
+            std::vector<uint8_t>({'T','e','x','t','u','r','e',0,1,'R','o','u','g','h','n','e','s','s'}),
+            m_baseName + "_roughness.png",
+            "Maya|TEX_roughness_map");
+    }
+    if (nullptr != ambientOcclusionImage) {
+        addTexture(ambientOcclusionImage,
+            std::vector<uint8_t>({'V','i','d','e','o',0,1,'A','o'}),
+            std::vector<uint8_t>({'T','e','x','t','u','r','e',0,1,'A','o'}),
+            m_baseName + "_ao.png",
+            "Maya|TEX_ao_map");
+    }
     /*
     if (nullptr != textureImage) {
         addTexture(textureImage,
diff --git a/src/fbxfile.h b/src/fbxfile.h
index 2aef68ba..452e23fc 100644
--- a/src/fbxfile.h
+++ b/src/fbxfile.h
@@ -19,7 +19,9 @@ public:
         const QString &filename,
         QImage *textureImage=nullptr,
         QImage *normalImage=nullptr,
-        QImage *ormImage=nullptr,
+        QImage *metalnessImage=nullptr,
+        QImage *roughnessImage=nullptr,
+        QImage *ambientOcclusionImage=nullptr,
         const std::vector<std::pair<QString, std::vector<std::pair<float, JointNodeTree>>>> *motions=nullptr);
     bool save();
 
diff --git a/src/texturegenerator.cpp b/src/texturegenerator.cpp
index 94ef88c1..f3fd56e5 100644
--- a/src/texturegenerator.cpp
+++ b/src/texturegenerator.cpp
@@ -86,6 +86,27 @@ QImage *TextureGenerator::takeResultTextureMetalnessRoughnessAmbientOcclusionIma
     return resultTextureMetalnessRoughnessAmbientOcclusionImage;
 }
 
+QImage *TextureGenerator::takeResultTextureRoughnessImage()
+{
+    QImage *resultTextureRoughnessImage = m_resultTextureRoughnessImage;
+    m_resultTextureRoughnessImage = nullptr;
+    return resultTextureRoughnessImage;
+}
+
+QImage *TextureGenerator::takeResultTextureMetalnessImage()
+{
+    QImage *resultTextureMetalnessImage = m_resultTextureMetalnessImage;
+    m_resultTextureMetalnessImage = nullptr;
+    return resultTextureMetalnessImage;
+}
+
+QImage *TextureGenerator::takeResultTextureAmbientOcclusionImage()
+{
+    QImage *resultTextureAmbientOcclusionImage = m_resultTextureAmbientOcclusionImage;
+    m_resultTextureAmbientOcclusionImage = nullptr;
+    return resultTextureAmbientOcclusionImage;
+}
+
 Outcome *TextureGenerator::takeOutcome()
 {
     Outcome *outcome = m_outcome;
@@ -386,6 +407,18 @@ void TextureGenerator::generate()
                 m_resultTextureMetalnessRoughnessAmbientOcclusionImage->setPixelColor(col, row, color);
             }
         }
+        if (!hasMetalnessMap) {
+            delete m_resultTextureMetalnessImage;
+            m_resultTextureMetalnessImage = nullptr;
+        }
+        if (!hasRoughnessMap) {
+            delete m_resultTextureRoughnessImage;
+            m_resultTextureRoughnessImage = nullptr;
+        }
+        if (!hasAmbientOcclusionMap) {
+            delete m_resultTextureAmbientOcclusionImage;
+            m_resultTextureAmbientOcclusionImage = nullptr;
+        }
     }
     auto mergeMetalnessRoughnessAmbientOcclusionEndTime = countTimeConsumed.elapsed();
     
diff --git a/src/texturegenerator.h b/src/texturegenerator.h
index ad4fba09..43699b65 100644
--- a/src/texturegenerator.h
+++ b/src/texturegenerator.h
@@ -19,6 +19,9 @@ public:
     QImage *takeResultTextureColorImage();
     QImage *takeResultTextureNormalImage();
     QImage *takeResultTextureMetalnessRoughnessAmbientOcclusionImage();
+    QImage *takeResultTextureRoughnessImage();
+    QImage *takeResultTextureMetalnessImage();
+    QImage *takeResultTextureAmbientOcclusionImage();
     Outcome *takeOutcome();
     MeshLoader *takeResultMesh();
     void addPartColorMap(QUuid partId, const QImage *image);