diff --git a/API_Nesting.cpp b/API_Nesting.cpp
index 620cf10..6f30c24 100644
--- a/API_Nesting.cpp
+++ b/API_Nesting.cpp
@@ -103,15 +103,15 @@ __stdcall EgtMoveBoxCluster( int nId[], int nCount, double vtMove[3],
 
 //-----------------------------------------------------------------------------
 BOOL
-__stdcall EgtCreateOutRegion( int nParentId,
-                              double dXmin, double dYmin, double dXmax, double dYmax, double dZ)
+__stdcall EgtCreateOutRegionRectangle( int nParentId,
+                                       double dXmin, double dYmin, double dXmax, double dYmax, double dZ)
 {
    return ( ExeCreateOutRegion( nParentId, dXmin, dYmin, dXmax, dYmax, dZ) ? TRUE : FALSE) ;
 }
 
 //-----------------------------------------------------------------------------
 BOOL
-__stdcall EgtCreateOutRegion2( int nParentId, int nOutCrvId)
+__stdcall EgtCreateOutRegion( int nParentId, int nOutCrvId)
 {
    return ( ExeCreateOutRegion( nParentId, nOutCrvId) ? TRUE : FALSE) ;
 }
@@ -136,8 +136,7 @@ __stdcall EgtVerifyPartCluster( int nId[], int nCount, BOOL bReducedCut)
 
 //-----------------------------------------------------------------------------
 BOOL
-__stdcall EgtPackPartCluster( int nId[], int nCount, BOOL bReducedCut,
-                              double dXmin, double dYmin, double dXmax, double dYmax, BOOL bBottomUp)
+__stdcall EgtPackPartClusterInRectangle( int nId[], int nCount, BOOL bReducedCut, BOOL bBottomUp)
 {
   // verifico
    if ( nId == nullptr  ||  nCount <= 0)
@@ -148,14 +147,14 @@ __stdcall EgtPackPartCluster( int nId[], int nCount, BOOL bReducedCut,
    for ( int i = 0 ; i < nCount ; ++ i)
       vIds.push_back( nId[i]) ;
   // eseguo
-   if ( ! ExePackPartCluster( vIds, ( bReducedCut != FALSE), dXmin, dYmin,dXmax, dYmax, ( bBottomUp != FALSE)))
+   if ( ! ExePackPartClusterInRectangle( vIds, ( bReducedCut != FALSE), ( bBottomUp != FALSE)))
       return FALSE ;
    return TRUE ;
 }
 
 //-----------------------------------------------------------------------------
 BOOL
-__stdcall EgtPackPartCluster2( int nId[], int nCount, BOOL bReducedCut, BOOL bBottomUp)
+__stdcall EgtPackPartCluster( int nId[], int nCount, BOOL bReducedCut, BOOL bBottomUp)
 {
   // verifico
    if ( nId == nullptr  ||  nCount <= 0)
diff --git a/EgtInterface.rc b/EgtInterface.rc
index d16ea8d..61be7e6 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ