diff --git a/wrap/gl/gl_type_name.h b/wrap/gl/gl_type_name.h
new file mode 100644
index 00000000..f56f24b2
--- /dev/null
+++ b/wrap/gl/gl_type_name.h
@@ -0,0 +1,41 @@
+/****************************************************************************
+* VCGLib                                                            o o     *
+* Visual and Computer Graphics Library                            o     o   *
+*                                                                _   O  _   *
+* Copyright(C) 2004-2016                                           \/)\/    *
+* Visual Computing Lab                                            /\/|      *
+* ISTI - Italian National Research Council                           |      *
+*                                                                    \      *
+* All rights reserved.                                                      *
+*                                                                           *
+* This program is free software; you can redistribute it and/or modify      *
+* it under the terms of the GNU General Public License as published by      *
+* the Free Software Foundation; either version 2 of the License, or         *
+* (at your option) any later version.                                       *
+*                                                                           *
+* This program is distributed in the hope that it will be useful,           *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of            *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
+* GNU General Public License (http://www.gnu.org/licenses/gpl.txt)          *
+* for more details.                                                         *
+*                                                                           *
+****************************************************************************/
+
+namespace vcg 
+{
+	template <typename T>
+	class GL_TYPE_NM
+	{public:
+	static GLenum SCALAR() { assert(0); return 0;}
+	};
+	template <> class GL_TYPE_NM<float>
+	{ public:
+	typedef GLfloat ScalarType;
+	static GLenum SCALAR() { return GL_FLOAT; }
+	};
+	template <> class GL_TYPE_NM<double>
+	{public:
+	typedef GLdouble ScalarType;
+	static GLenum SCALAR() { return GL_DOUBLE; }
+	};
+}
\ No newline at end of file
diff --git a/wrap/gl/trimesh.h b/wrap/gl/trimesh.h
index deba3b37..43365152 100644
--- a/wrap/gl/trimesh.h
+++ b/wrap/gl/trimesh.h
@@ -34,26 +34,10 @@
 #include <wrap/gl/space.h>
 #include <wrap/gl/math.h>
 #include <vcg/space/color4.h>
+#include <wrap/gl/gl_type_name.h>
 
-
-namespace vcg {
-
-	template <typename T>
-	class GL_TYPE_NM
-	{public:
-	static GLenum SCALAR() { assert(0); return 0;}
-	};
-	template <> class GL_TYPE_NM<float>
-	{ public:
-	typedef GLfloat ScalarType;
-	static GLenum SCALAR() { return GL_FLOAT; }
-	};
-	template <> class GL_TYPE_NM<double>
-	{public:
-	typedef GLdouble ScalarType;
-	static GLenum SCALAR() { return GL_DOUBLE; }
-	};
-
+namespace vcg 
+{
 	//template <> GL_TYPE::SCALAR<double>() { return GL_DOUBLE; }
 
 	// classe base di glwrap usata solo per poter usare i vari drawmode, normalmode senza dover