diff --git a/MshViewer/Header/OpenGLController.h b/MshViewer/Header/OpenGLController.h
index 5e781c3..8413dca 100644
--- a/MshViewer/Header/OpenGLController.h
+++ b/MshViewer/Header/OpenGLController.h
@@ -81,7 +81,7 @@ private:
 	float fRotationZ			= 0;
 	double dTranslationX		= 0;
 	double dTranslationY		= 0;
-	double dTranslationZ		= 5;
+	double dTranslationZ		= 3;
 
 // ========================================
 
diff --git a/MshViewer/Source/OpenGlController.cpp b/MshViewer/Source/OpenGlController.cpp
index 7ef12ee..d9b020a 100644
--- a/MshViewer/Source/OpenGlController.cpp
+++ b/MshViewer/Source/OpenGlController.cpp
@@ -243,13 +243,19 @@ glm::mat4 OpenGLController::getMVPMatrix(unsigned int index)
 	m4x4ModelRot = glm::rotate(m4x4ModelRot, fRotationY, glm::vec3(0, 1, 0));
 	m4x4ModelRot = glm::rotate(m4x4ModelRot, fRotationZ, glm::vec3(0, 0, 1));
 
+	// move to center
 	glm::mat4 m4x4ModelCenter = glm::translate(
 		glm::mat4(1.0f),
 		glm::vec3(-sceneBoundingBox.center[0], -sceneBoundingBox.center[1], -sceneBoundingBox.center[2])
 	);
 
+	//scale to 1
+	float maxExtent = max(max(sceneBoundingBox.extents[0], sceneBoundingBox.extents[1]), sceneBoundingBox.extents[2]);
+	glm::mat4 m4x4Normalize = glm::mat4(1.0f); 
+	m4x4Normalize = glm::scale(m4x4Normalize, glm::vec3(1/maxExtent, 1 / maxExtent, 1 / maxExtent));
+
 	// Return MVP
-	return m4x4Projection * m4x4View * m4x4ModelRot * m4x4ModelCenter * getModelMatrix(index);
+	return m4x4Projection * m4x4View * m4x4ModelRot * m4x4Normalize * m4x4ModelCenter * getModelMatrix(index);
 }
 
 
diff --git a/MshViewer/main.cpp b/MshViewer/main.cpp
index bc0673e..680742b 100644
--- a/MshViewer/main.cpp
+++ b/MshViewer/main.cpp
@@ -17,7 +17,7 @@ int main(int argc, char** argv)
 	else
 		scene = OpenGLController::getInstance();
 
-	scene->loadMsh("..\\Release\\Msh\\multiModTex.msh");
+	scene->loadMsh("..\\Release\\Msh\\quadPoly.msh");
 
 	do {
 		scene->updateScene();