diff --git a/WFMtl.cc b/WFMtl.cc
index 2c03d7a..e77f27e 100644
--- a/WFMtl.cc
+++ b/WFMtl.cc
@@ -129,6 +129,19 @@ string WFMtl::stripFirstToken(string & input)
 	return token;
 }
 
-void WFMtl::render()
+void WFMtl::renderBegin(const string & mtlname)
 {
+	map< string, vector< vector<string> > >::iterator it = m_data.find(mtlname);
+	if (it == m_data.end())
+		return;
+	/* TODO: draw the material at it->second */
 }
+
+void WFMtl::renderEnd(const string & mtlname)
+{
+	map< string, vector< vector<string> > >::iterator it = m_data.find(mtlname);
+	if (it == m_data.end())
+		return;
+	/* TODO: end the material at it->second */
+}
+
diff --git a/WFMtl.hh b/WFMtl.hh
index 41b2c32..df58a13 100644
--- a/WFMtl.hh
+++ b/WFMtl.hh
@@ -8,7 +8,8 @@ class WFMtl
 {
 public:
 	bool load(const std::string & filename);
-	void render();
+	void renderBegin(const std::string & mtlname);
+	void renderEnd(const std::string & mtlname);
 
 private:
 	/* methods */
diff --git a/WFObj.cc b/WFObj.cc
index d827759..7e44756 100644
--- a/WFObj.cc
+++ b/WFObj.cc
@@ -258,6 +258,11 @@ GLuint WFObj::render()
 		glEnd();
 		inFace = false;
 	}
+	if (inMaterial)
+	{
+		material.renderEnd(currentMaterialName);
+		inMaterial = false;
+	}
 	glEndList();
 	return list;
 }