diff --git a/EgtGeomKernel.rc b/EgtGeomKernel.rc
index 9298822..09ef2a7 100644
Binary files a/EgtGeomKernel.rc and b/EgtGeomKernel.rc differ
diff --git a/SurfTriMesh.cpp b/SurfTriMesh.cpp
index 8124565..547753b 100644
--- a/SurfTriMesh.cpp
+++ b/SurfTriMesh.cpp
@@ -1154,7 +1154,7 @@ SurfTriMesh::GetSilhouette( const Vector3d& vtDir, double dTol, POLYLINEVECTOR&
          if ( ! IsNull( pSfrTria)) {
             if ( bAllTria  &&  Tria.GetN() * vtVers < 0)
                pSfrTria->Invert() ;
-            pSfrTria->Offset( dTol, ICurve::OFF_CHAMFER) ;
+            pSfrTria->Offset( dTol, ICurve::OFF_FILLET) ;
             if ( IsNull( pSfr))
                pSfr.Set( pSfrTria) ;
             else
@@ -1170,7 +1170,7 @@ SurfTriMesh::GetSilhouette( const Vector3d& vtDir, double dTol, POLYLINEVECTOR&
       return false ;
 
   // Effettuo contro-offset
-   pSfr->Offset( -dTol, ICurve::OFF_CHAMFER) ;
+   pSfr->Offset( -dTol, ICurve::OFF_EXTEND) ;
 
   // Recupero i contorni della regione
    for ( int i = 0 ; i < pSfr->GetChunkCount() ; ++ i) {
@@ -1225,7 +1225,7 @@ SurfTriMesh::GetSilhouette( const Plane3d& plPlane, double dTol, POLYLINEVECTOR&
             if ( ! IsNull( pSfrTria)) {
                if ( bAllTria  &&  Tria.GetN() * vtVers < 0)
                   pSfrTria->Invert() ;
-               pSfrTria->Offset( dTol, ICurve::OFF_CHAMFER) ;
+               pSfrTria->Offset( dTol, ICurve::OFF_FILLET) ;
                if ( IsNull( pSfr))
                   pSfr.Set( pSfrTria) ;
                else
@@ -1242,7 +1242,7 @@ SurfTriMesh::GetSilhouette( const Plane3d& plPlane, double dTol, POLYLINEVECTOR&
       return true ;
 
   // Effettuo contro-offset
-   pSfr->Offset( -dTol, ICurve::OFF_CHAMFER) ;
+   pSfr->Offset( -dTol, ICurve::OFF_EXTEND) ;
 
   // Recupero i contorni della regione
    for ( int i = 0 ; i < pSfr->GetChunkCount() ; ++ i) {