diff --git a/src/Core/CMakeLists.txt b/src/Core/CMakeLists.txt
index 75c4ccbe..1de41062 100644
--- a/src/Core/CMakeLists.txt
+++ b/src/Core/CMakeLists.txt
@@ -106,7 +106,7 @@ endif()
 if (SEPA3D)
     target_include_directories (Core PUBLIC ${SEPARATRICE3D_INCLUDE_DIR})
 endif (SEPA3D)
-target_link_libraries (Core PUBLIC ${CORE_OPTIONAL_LIBRARIES_LIST} Mesquite::Mesquite cgns::cgns PkgConfig::GTS GMDSIg GMDSIo)
+target_link_libraries (Core PUBLIC ${CORE_OPTIONAL_LIBRARIES_LIST} Mesquite::Mesquite cgns::cgns PkgConfig::GTS GMDSIg GMDSIo GMDSAero)
 # Etre capable une fois installée de retrouver vtk*, ... :
 # (Rem : en son absence on a Set runtime path of "/tmp/pignerol/install/lib/libCore.so.5.0.0" to "") ...
 set_target_properties (Core PROPERTIES INSTALL_RPATH_USE_LINK_PATH 1)
diff --git a/src/Core/Mesh/ExportBlocksCGNSImplementation.cpp b/src/Core/Mesh/ExportBlocksCGNSImplementation.cpp
index d8987c73..068b1fb8 100644
--- a/src/Core/Mesh/ExportBlocksCGNSImplementation.cpp
+++ b/src/Core/Mesh/ExportBlocksCGNSImplementation.cpp
@@ -7,16 +7,13 @@
  */
 /*----------------------------------------------------------------------------*/
 #include "Mesh/ExportBlocksCGNSImplementation.h"
-#include "Geom/Volume.h"
-#include "Geom/Surface.h"
-#include "Geom/Curve.h"
-#include "Geom/Vertex.h"
 #include "Mesh/MeshItf.h"
 #include "Mesh/Surface.h"
 /*----------------------------------------------------------------------------*/
 #include <gmds/ig/Mesh.h>
 #include <gmds/io/IGMeshIOService.h>
 #include <gmds/io/VTKWriter.h>
+#include <gmds/aero/CGNSWriter3D.h>
 /*----------------------------------------------------------------------------*/
 #include <TkUtil/MemoryError.h>
 #include <iostream>
@@ -26,8 +23,8 @@ namespace Mgx3D {
     namespace Mesh {
 /*----------------------------------------------------------------------------*/
         ExportBlocksCGNSImplementation::
-        ExportBlocksCGNSImplementation(Internal::Context& c, const std::string& n)
-                : m_context(c), m_filename(n)
+        ExportBlocksCGNSImplementation(Internal::Context& c, const std::string& filename)
+                : m_context(c), m_filename(filename)
         {}
 
 /*----------------------------------------------------------------------------*/
@@ -43,7 +40,7 @@ namespace Mgx3D {
 
             std::map<gmds::TCellID,unsigned long> n2v;
 
-            gmds::Mesh mesh(gmds::MeshModel(gmds::DIM3 | gmds::N | gmds::R | gmds::R2N | gmds::N2R));
+            gmds::Mesh mesh(gmds::MeshModel(gmds::DIM3 | gmds::N | gmds::F | gmds::R | gmds::R2N | gmds::N2R | gmds::R2F |  gmds::F2R | gmds::F2N | gmds::N2F));
 
             gmds::Mesh localMesh = m_context.getMeshManager().getMesh()->getGMDSMesh();
 
@@ -150,11 +147,15 @@ namespace Mgx3D {
                 }
             }
 
-            gmds::IGMeshIOService ioService(&mesh);
-            gmds::VTKWriter writer(&ioService);
-            writer.setCellOptions(gmds::N|gmds::R);
-            writer.setDataOptions(gmds::N|gmds::R);
-            writer.write(m_filename);
+            int position = m_filename.find_last_of('/');
+
+            m_basename = m_filename.substr(position+1, m_filename.length()-position+1);
+
+            m_path = m_filename.substr(0, position+1);
+
+            gmds::aero::CGNSWriter3D writer3D(&mesh);
+            writer3D.write("",m_basename,m_path);
+
         }
 /*----------------------------------------------------------------------------*/
     } // end namespace Topo
diff --git a/src/Core/protected/Mesh/ExportBlocksCGNSImplementation.h b/src/Core/protected/Mesh/ExportBlocksCGNSImplementation.h
index ad0c6359..85698481 100644
--- a/src/Core/protected/Mesh/ExportBlocksCGNSImplementation.h
+++ b/src/Core/protected/Mesh/ExportBlocksCGNSImplementation.h
@@ -27,7 +27,7 @@ namespace Mgx3D {
              *  \param c le contexte
              *  \param n le nom du fichier dans lequel se fait l'exportation
              */
-            ExportBlocksCGNSImplementation(Internal::Context& c, const std::string& n);
+            ExportBlocksCGNSImplementation(Internal::Context& c, const std::string& filename);
 
             /*------------------------------------------------------------------------*/
             /** \brief   Destructeur
@@ -45,8 +45,12 @@ namespace Mgx3D {
             /// contexte d'exécution
             Internal::Context& m_context;
 
+            std::string m_path;
+
             /// fichier dans lequel on exporte
             std::string m_filename;
+
+            std::string m_basename;
         };
 
 /*----------------------------------------------------------------------------*/