diff --git a/apps/sample/sample.pro b/apps/sample/sample.pro
index 9632f575..8fb74857 100644
--- a/apps/sample/sample.pro
+++ b/apps/sample/sample.pro
@@ -8,6 +8,7 @@ SUBDIRS       = trimesh_base \
                 trimesh_smooth \
                 trimesh_refine \
                 trimesh_isosurface \
+                trimesh_join \
                 trimesh_optional \
                 aabb_binary_tree
                 
diff --git a/apps/sample/trimesh_join/trimesh_join.cpp b/apps/sample/trimesh_join/trimesh_join.cpp
new file mode 100644
index 00000000..885abbbd
--- /dev/null
+++ b/apps/sample/trimesh_join/trimesh_join.cpp
@@ -0,0 +1,63 @@
+#include <vector>
+
+#include<vcg/simplex/vertexplus/base.h>
+#include<vcg/simplex/faceplus/base.h>
+#include<vcg/simplex/face/topology.h>
+
+#include<vcg/complex/trimesh/base.h>
+#include<vcg/complex/trimesh/append.h>
+#include<vcg/complex/trimesh/clean.h>
+
+// input output
+#include <wrap/io_trimesh/import_ply.h>
+#include <wrap/io_trimesh/export_ply.h>
+
+// std
+#include <vector>
+
+using namespace vcg;
+using namespace std;
+
+class MyEdge;    // dummy prototype never used
+class MyFace;
+class MyVertex;
+
+class MyVertex  : public VertexSimp2< MyVertex, MyEdge, MyFace, vert::Coord3f, vert::BitFlags  >{};
+class MyFace    : public FaceSimp2  < MyVertex, MyEdge, MyFace, face::VertexRef, face::BitFlags > {};
+class MyMesh    : public vcg::tri::TriMesh< vector<MyVertex>, vector<MyFace> > {};
+
+
+
+int main(int argc,char **argv )
+{
+ if(argc<2)
+	{
+		printf(		"\n trimesh_join ("__DATE__")\n"
+		        	  "Visual Computing Group I.S.T.I. C.N.R.\n"
+                "Usage: trimesh_join filename.ply [filename.ply | *] \n"
+			);
+		exit(0);
+	}
+
+  MyMesh ml,mr;
+
+	int i=1; 
+	while(i<argc)
+		{
+		  if(vcg::tri::io::ImporterPLY<MyMesh>::Open(mr,argv[i])!=0)
+		  {
+        printf("Error reading file  %s\n",argv[1]);
+			  exit(0);
+		  }
+      printf("Input mesh %3i vn:%9i fn:%9i\n",i, mr.vn, mr.fn);
+      tri::Append<MyMesh,MyMesh>::Mesh(ml,mr); // append mesh mr to ml
+  		++i;
+		}
+  
+  printf("Output mesh vn:%i fn:%i\n",ml.vn,ml.fn);
+	
+  tri::io::ExporterPLY<MyMesh>::Save(ml,"joined.ply");
+  tri::Clean<MyMesh>::RemoveDuplicateVertex(ml);
+  tri::io::ExporterPLY<MyMesh>::Save(ml,"joined_unif.ply");
+}
+
diff --git a/apps/sample/trimesh_join/trimesh_join.pro b/apps/sample/trimesh_join/trimesh_join.pro
new file mode 100644
index 00000000..46b21cee
--- /dev/null
+++ b/apps/sample/trimesh_join/trimesh_join.pro
@@ -0,0 +1,13 @@
+######################################################################
+# Automatically generated by qmake (2.00a) ven 24. giu 14:14:20 2005
+######################################################################
+
+TARGET = trimesh_join
+LIBPATH += 
+DEPENDPATH += . 
+INCLUDEPATH += . ../../..
+CONFIG += console stl
+TEMPLATE = app
+HEADERS += ../../../vcg/complex/trimesh/subset.h
+
+SOURCES += trimesh_join.cpp ../../../wrap/ply/plylib.cpp
\ No newline at end of file