diff --git a/vcg/simplex/vertex/with/cn.h b/vcg/simplex/vertex/with/cn.h
new file mode 100644
index 00000000..a95e0d59
--- /dev/null
+++ b/vcg/simplex/vertex/with/cn.h
@@ -0,0 +1,23 @@
+#ifndef __VCGLIB_VERTEX__CN__TYPE
+#define __VCGLIB_VERTEX__CN__TYPE
+
+
+#define VERTEX_TYPE VertexCN 
+
+#define __VCGLIB_VERTEX_N
+#define __VCGLIB_VERTEX_C
+
+#include <vcg/simplex/vertex/base.h> 
+
+
+#undef VERTEX_TYPE 
+#undef __VCGLIB_VERTEX_N
+#undef __VCGLIB_VERTEX_C
+
+
+namespace vcg {
+typedef VertexCN<float>  VertexCNf;
+typedef VertexCN<double> VertexCNd;
+}
+
+#endif