diff --git a/apps/sample/trimesh_optional/trimesh_simpdata_simp.cpp b/apps/sample/trimesh_optional/trimesh_simpdata_simp.cpp
new file mode 100644
index 00000000..635d85e4
--- /dev/null
+++ b/apps/sample/trimesh_optional/trimesh_simpdata_simp.cpp
@@ -0,0 +1,40 @@
+#include <vector>
+
+#include <vcg/simplex/vertexplus/base.h>   
+#include <vcg/simplex/vertexplus/component.h>   
+#include <vcg/simplex/faceplus/base.h>   
+#include <vcg/simplex/faceplus/component.h>   
+
+#include <vcg/complex/trimesh/base.h>   
+#include<vcg/container/simple_temporary_data.h>
+
+#include<vcg/complex/trimesh/create/platonic.h>
+
+class MyEdge;
+class MyFace;
+
+class MyVertex: public vcg::VertexSimp2<MyVertex,MyEdge,MyFace, vcg::vert::Coord3d, vcg::vert::Normal3f>{};
+class MyFace: public vcg::FaceSimp2<MyVertex,MyEdge,MyFace, vcg::face::VertexRef>{};
+
+class MyMesh: public vcg::tri::TriMesh< std::vector<MyVertex>, std::vector<MyFace> > {};
+
+
+int main()
+{
+	MyMesh m;
+	vcg::tri::Tetrahedron(m);
+	vcg::SimpleTempData<MyMesh::VertContainer, short> MyTempData(m.vert);
+
+	MyTempData.Start();         // enable the user defined attribute (memory is allocated)
+
+	MyMesh::VertexIterator vi;  // declare the iterator over the vertices
+	for(vi = m.vert.begin(); vi != m.vert.end(); ++vi)
+	{
+		MyTempData[*vi]    = 10;    // assign the value for the 'short' attribute
+		MyTempData[vi]     = 10;    // you can pass the element or an iterator to it
+	}
+
+	MyTempData.Stop();          // disable the user defined attribute (memory is freed)
+
+	return 0;
+}
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