diff --git a/TestEGr.rc b/TestEGr.rc
index c2a7308..db2a9cb 100644
Binary files a/TestEGr.rc and b/TestEGr.rc differ
diff --git a/TestEGrDlg.cpp b/TestEGrDlg.cpp
index 9728e57..1922d5c 100644
--- a/TestEGrDlg.cpp
+++ b/TestEGrDlg.cpp
@@ -29,6 +29,8 @@
 #include "/EgtDev/Include/EGrSceExecutor.h"
 #include "/EgtDev/Include/EExImportStl.h"
 #include "/EgtDev/Include/EExImportDxf.h"
+#include "/EgtDev/Include/EExExportStl.h"
+#include "/EgtDev/Include/EExExportDxf.h"
 
 using namespace std ;
 
@@ -142,6 +144,7 @@ BEGIN_MESSAGE_MAP( CTestEGrDlg, CDialog)
    ON_BN_CLICKED( IDC_OPEN, OnFileOpen)
    ON_BN_CLICKED( IDC_SAVE, OnFileSave)
    ON_BN_CLICKED( IDC_IMPORT, OnFileImport)
+   ON_BN_CLICKED( IDC_EXPORT, OnFileExport)
    ON_BN_CLICKED( IDC_EXEC, OnFileExec)
    ON_CONTROL_RANGE( BN_CLICKED, IDC_WIREFRAME, IDC_SHADING, OnShowMode)
    ON_BN_CLICKED( IDC_SHOWCURVEDIR, OnShowCurveDir)
@@ -477,6 +480,7 @@ CTestEGrDlg::OnSize( UINT nType, int cx, int cy)
       MoveDlgItem( IDC_NEW, IP_TR, cx, cy) ;
       MoveDlgItem( IDC_OPEN, IP_TR, cx, cy) ;
       MoveDlgItem( IDC_SAVE, IP_TR, cx, cy) ;
+      MoveDlgItem( IDC_EXPORT, IP_TR, cx, cy) ;
       MoveDlgItem( IDC_IMPORT, IP_TR, cx, cy) ;
       MoveDlgItem( IDC_EXEC, IP_TR, cx, cy) ;
       MoveDlgItem( IDC_SEPAR, IP_TR, cx, cy) ;
@@ -807,6 +811,47 @@ CTestEGrDlg::OnFileImport( void)
       AfxMessageBox( L"Error importing file (look at Log file)", MB_ICONSTOP|MB_OK) ;
 }
 
+//----------------------------------------------------------------------------
+void
+CTestEGrDlg::OnFileExport( void)
+{
+  // visualizzo il dialogo di scelta file
+   CFileDialog dlg( FALSE, L"*.*", NULL,
+                    OFN_PATHMUSTEXIST|OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT|OFN_NOCHANGEDIR,
+                    L"All Files (*.*)|*.*|"
+                    L"AutoCAD Drawing Exchange (*.dxf) |*.dxf|"
+                    L"Stereolithography (*.stl) |*.stl||",
+                    NULL, 0, FALSE) ;
+
+  // imposto il direttorio iniziale
+   wstring wsDir = stringtoW( GetPrivateProfileStringUtf8( "General", "LastExpDir", "", AfxGetApp()->m_pszProfileName)) ;
+   if ( ! wsDir.empty())
+      dlg.m_ofn.lpstrInitialDir = wsDir.c_str() ;
+
+  // lancio il dialogo di scelta file
+   if ( dlg.DoModal() != IDOK)
+      return ;
+
+  // recupero la path del file
+   string sFilePath = WtoA( dlg.GetPathName()) ;
+   if ( sFilePath.empty())
+      return ;
+
+  // imposto cursore attesa
+   CWaitCursor wait ;
+
+  // divido in nome e direttorio e salvo quest'ultimo
+   string sFileDir ;
+   string sFileName ;
+   SplitLast( sFilePath, "\\", sFileDir, sFileName) ;
+   if ( ! sFileDir.empty())
+      WritePrivateProfileStringUtf8( "General", "LastExpDir", sFileDir.c_str(), AfxGetApp()->m_pszProfileName) ;
+
+  // salvo il file
+   if ( ! FileExport( sFilePath))
+      AfxMessageBox( L"Error exporting file (look at Log file)", MB_ICONSTOP|MB_OK) ;
+}
+
 //----------------------------------------------------------------------------
 void
 CTestEGrDlg::OnFileExec( void)
@@ -1238,6 +1283,67 @@ CTestEGrDlg::FileImport( const string& sFilePath)
    return true ;
 }
 
+//----------------------------------------------------------------------------
+bool
+CTestEGrDlg::FileExport( const string& sFilePath)
+{
+  // divido in nome e direttorio
+   string sFileDir ;
+   string sFileName ;
+   SplitLast( sFilePath, "\\", sFileDir, sFileName) ;
+
+  // recupero l'estensione
+   string sFileTitle ;
+   string sFileExt ;
+   SplitLast( sFileName, ".", sFileTitle, sFileExt) ;
+   ToUpper( sFileExt) ;
+
+  // verifico che l'estensione sia supportata
+   if ( sFileExt != "DXF"  &&  sFileExt != "STL") {
+     // emetto info
+      string sInfo = "File type (" + sFileExt + ") not recognized" ;
+      LOG_INFO( m_pLogGen, sInfo.c_str())
+      return false ;
+   }
+
+  // emetto info
+   string sInfo = "Export File = " + sFilePath ;
+   LOG_INFO( m_pLogGen, sInfo.c_str())
+
+  // esporto il file DXF
+   if ( sFileExt == "DXF") {
+     // preparo l'esportatore
+      PtrOwner<IExportDxf> pExpDxf( CreateExportDxf()) ;
+      if ( ! IsValid( pExpDxf)) {
+         LOG_ERROR( m_pLogGen, "Error : CreateExportDxf")
+         return false ;
+      }
+     // eseguo l'esportazione
+      if ( ! pExpDxf->Export( m_pGeomDB, GDB_ID_ROOT, sFilePath)) {
+         return false ;
+      }
+     // log dei comandi
+      LOG_INFO( m_pLogCmd, ( "EXPORTDXF( 0, " + sFilePath + ")").c_str())
+   }
+  // esporto il file STL
+   else if ( sFileExt == "STL") {
+     // preparo l'esportatore
+      PtrOwner<IExportStl> pExpStl( CreateExportStl()) ;
+      if ( ! IsValid( pExpStl)) {
+         LOG_ERROR( m_pLogGen, "Error : CreateExportStl")
+         return false ;
+      }
+     // eseguo l'esportazione
+      if ( ! pExpStl->Export( m_pGeomDB, GDB_ID_ROOT, sFilePath)) {
+         return false ;
+      }
+     // log dei comandi
+      LOG_INFO( m_pLogCmd, ( "EXPORTSTL( 0, " + sFilePath + ")").c_str())
+   }
+
+   return true ;
+}
+
 //----------------------------------------------------------------------------
 bool
 CTestEGrDlg::FileExec( const string& sFilePath)
diff --git a/TestEGrDlg.h b/TestEGrDlg.h
index eb7e58e..1fabdfc 100644
--- a/TestEGrDlg.h
+++ b/TestEGrDlg.h
@@ -51,6 +51,7 @@ class CTestEGrDlg : public CDialog
       afx_msg void OnFileOpen( void) ;
       afx_msg void OnFileSave( void) ;
       afx_msg void OnFileImport( void) ;
+      afx_msg void OnFileExport( void) ;
       afx_msg void OnFileExec( void) ;
       afx_msg void OnShowMode( UINT nID) ;
       afx_msg void OnShowCurveDir( void) ;
@@ -83,6 +84,7 @@ class CTestEGrDlg : public CDialog
       bool FileOpen( const std::string& sFilePath) ;
       bool FileSave( const std::string& sFilePath) ;
       bool FileImport( const std::string& sFilePath) ;
+      bool FileExport( const std::string& sFilePath) ;
       bool FileExec( const std::string& sFilePath) ;
       void EmitTitle( void) ;
      // GeomDBTree
diff --git a/resource.h b/resource.h
index cc020d4..ccfac1c 100644
Binary files a/resource.h and b/resource.h differ