diff --git a/apps/sample/polygonmesh_quadsimpl/quadsimpl.cpp b/apps/sample/polygonmesh_quadsimpl/polygonmesh_quadsimpl.cpp
similarity index 100%
rename from apps/sample/polygonmesh_quadsimpl/quadsimpl.cpp
rename to apps/sample/polygonmesh_quadsimpl/polygonmesh_quadsimpl.cpp
diff --git a/apps/sample/polygonmesh_quadsimpl/polygonmesh_quadsimpl.pro b/apps/sample/polygonmesh_quadsimpl/polygonmesh_quadsimpl.pro
index 7b046b0d..c5f0de47 100755
--- a/apps/sample/polygonmesh_quadsimpl/polygonmesh_quadsimpl.pro
+++ b/apps/sample/polygonmesh_quadsimpl/polygonmesh_quadsimpl.pro
@@ -1,8 +1,3 @@
+include(../common.pri)
+SOURCES += polygonmesh_quadsimpl.cpp ../../../wrap/ply/plylib.cpp
 TARGET = polygonmesh_quadsimpl
-LIBPATH += 
-DEPENDPATH += . 
-INCLUDEPATH += . ../../..
-CONFIG += console stl 
-TEMPLATE = app
-SOURCES += ../../../wrap/ply/plylib.cpp \
-    quadsimpl.cpp