diff --git a/EgtGeomKernel.rc b/EgtGeomKernel.rc
index 1445527..5782751 100644
Binary files a/EgtGeomKernel.rc and b/EgtGeomKernel.rc differ
diff --git a/SurfTriMesh.h b/SurfTriMesh.h
index 416aea8..45a426c 100644
--- a/SurfTriMesh.h
+++ b/SurfTriMesh.h
@@ -237,6 +237,7 @@ class SurfTriMesh : public ISurfTriMesh, public IGeoObjRW
       bool Subtract( const ISurfTriMesh& Other) override ;
       bool GetSurfClassification( const ISurfTriMesh& ClassifierSurf,
                      INTVECTOR& vTriaIn, INTVECTOR& vTriaOut, INTVECTOR& vTriaOnP, INTVECTOR& vTriaOnM, INTVECTOR& vTriaIndef) override ;
+      bool CutWithOtherSurf( const ISurfTriMesh& CutterSurf, bool bInVsOut, bool bSaveOnEq) override ;
       bool GetAllTriaOverlapBox( const BBox3d& b3Box, INTVECTOR& vT) const override ;
       const BBox3d& GetAllTriaBox( void) const override ;
       int GetPartCount( void) const override ;
diff --git a/SurfTriMeshBooleans.cpp b/SurfTriMeshBooleans.cpp
index 9a56004..fa8698a 100644
--- a/SurfTriMeshBooleans.cpp
+++ b/SurfTriMeshBooleans.cpp
@@ -2408,15 +2408,13 @@ SurfTriMesh::Add( const ISurfTriMesh& Other)
          AddTriangle( nNewVert, m_nMaxTFlag) ;
       }
    }
-   if ( ! AdjustVertices()  ||  ! DoCompacting())
-      return false ;
-   RemoveTripleTriangles() ;
-   if ( ! AdjustVertices()  ||  ! DoCompacting())
-      return false ;
-   RemoveTJunctions() ;
-   bool bResult = ( AdjustVertices()  &&  DoCompacting()) ;
+   bool bOk = ( AdjustVertices()  &&  DoCompacting()) ;
+   bOk && RemoveTripleTriangles() ;
+   bOk = bOk && ( AdjustVertices()  &&  DoCompacting()) ;
+   bOk && RemoveTJunctions() ;
+   bOk = bOk && ( AdjustVertices()  &&  DoCompacting()) ;
    Scale( frScalingRef, 1. / BOOLEAN_SCALE, 1. / BOOLEAN_SCALE, 1. / BOOLEAN_SCALE) ;
-   return bResult ;
+   return bOk ;
 }
 
 //----------------------------------------------------------------------------
@@ -2451,15 +2449,13 @@ SurfTriMesh::Intersect( const ISurfTriMesh& Other)
          AddTriangle( nNewVert, m_nMaxTFlag) ;
       }
    }
-   if ( ! AdjustVertices()  ||  ! DoCompacting())
-      return false ;
-   RemoveTripleTriangles() ;
-   if ( ! AdjustVertices()  ||  ! DoCompacting())
-      return false ;
-   RemoveTJunctions() ;
-   bool bResult = ( AdjustVertices()  &&  DoCompacting()) ;
+   bool bOk = ( AdjustVertices()  &&  DoCompacting()) ;
+   bOk && RemoveTripleTriangles() ;
+   bOk = bOk && ( AdjustVertices()  &&  DoCompacting()) ;
+   bOk && RemoveTJunctions() ;
+   bOk = bOk && ( AdjustVertices()  &&  DoCompacting()) ;
    Scale( frScalingRef, 1. / BOOLEAN_SCALE, 1. / BOOLEAN_SCALE, 1. / BOOLEAN_SCALE) ;
-   return bResult ;
+   return bOk ;
 }
 
 //----------------------------------------------------------------------------
@@ -2495,15 +2491,13 @@ SurfTriMesh::Subtract( const ISurfTriMesh& Other)
          AddTriangle( nNewVert, m_nMaxTFlag) ;
       }
    }
-   if ( ! AdjustVertices()  ||  ! DoCompacting())
-      return false ;
-   RemoveTripleTriangles() ;
-   if ( ! AdjustVertices()  ||  ! DoCompacting())
-      return false ;
-   RemoveTJunctions() ;
-   bool bResult = ( AdjustVertices()  &&  DoCompacting()) ;
+   bool bOk = ( AdjustVertices()  &&  DoCompacting()) ;
+   bOk && RemoveTripleTriangles() ;
+   bOk = bOk && ( AdjustVertices()  &&  DoCompacting()) ;
+   bOk && RemoveTJunctions() ;
+   bOk = bOk && ( AdjustVertices()  &&  DoCompacting()) ;
    Scale( frScalingRef, 1. / BOOLEAN_SCALE, 1. / BOOLEAN_SCALE, 1. / BOOLEAN_SCALE) ;
-   return bResult ;
+   return bOk ;
 }
 
 //----------------------------------------------------------------------------
@@ -2548,3 +2542,31 @@ SurfTriMesh::GetSurfClassification( const ISurfTriMesh& ClassifierSurf,
    }
    return true ;
 }
+
+//----------------------------------------------------------------------------
+bool
+SurfTriMesh::CutWithOtherSurf( const ISurfTriMesh& CutterSurf, bool bInVsOut, bool bSaveOnEq)
+{
+   // Le superfici devono essere valide
+   if ( ! IsValid()  ||  ! CutterSurf.IsValid())
+      return false ;
+   m_OGrMgr.Clear() ;
+   SurfTriMesh SurfC ;
+   SurfC.CopyFrom( &CutterSurf) ;
+   Frame3d frScalingRef ;
+   frScalingRef.Set( m_vVert[0].ptP, X_AX, Y_AX, Z_AX) ;
+   Scale( frScalingRef, BOOLEAN_SCALE, BOOLEAN_SCALE, BOOLEAN_SCALE) ;
+   SurfC.Scale( frScalingRef, BOOLEAN_SCALE, BOOLEAN_SCALE, BOOLEAN_SCALE) ;
+   IntersectTriMeshTriangle( SurfC) ;
+   IdentifyParts() ;
+   int nPartToRemove = ( bInVsOut ? -1 : 1) ;
+   int nCoplanarPartToRemove = ( bSaveOnEq ? ( nPartToRemove ? -2 : 2) : 5) ;
+   int nTriaNum = GetTriangleSize() ;
+   for ( int nT = 0 ; nT < nTriaNum ; ++ nT) {
+      if ( m_vTria[nT].nTempPart == nPartToRemove  ||  m_vTria[nT].nTempPart == nCoplanarPartToRemove)
+         RemoveTriangle( nT) ;
+   }
+   bool bOk = ( AdjustVertices()  &&  DoCompacting()) ;
+   Scale( frScalingRef, 1. / BOOLEAN_SCALE, 1. / BOOLEAN_SCALE, 1. / BOOLEAN_SCALE) ;
+   return bOk ;
+}