diff --git a/apps/sample/hashing_2D/test_hash2D.pro b/apps/sample/hashing_2D/test_hash2D.pro
new file mode 100644
index 00000000..b3c8cae4
--- /dev/null
+++ b/apps/sample/hashing_2D/test_hash2D.pro
@@ -0,0 +1,12 @@
+######################################################################
+# Automatically generated by qmake (2.00a) ven 24. giu 14:14:20 2005
+######################################################################
+
+TARGET = trimesh_join
+DEPENDPATH += . 
+INCLUDEPATH += . ../../..
+CONFIG += console stl
+TEMPLATE = app
+HEADERS += ../../../vcg/space/index/index2D/spatial_hashing_2D.h
+
+SOURCES += test_hash2D.cpp