diff --git a/EInAPI.h b/EInAPI.h
index 3fd1a76..40b4653 100644
--- a/EInAPI.h
+++ b/EInAPI.h
@@ -456,12 +456,16 @@ EIN_EXPORT BOOL __stdcall EgtPackBox( int nId, double dXmin, double dYmin,
                                       double dXmax, double dYmax, double dOffs, BOOL bBottomUp) ;
 EIN_EXPORT BOOL __stdcall EgtPackBoxCluster( int nId[], int nCount, double dXmin, double dYmin,
                                              double dXmax, double dYmax, double dOffs, BOOL bBottomUp) ;
-EIN_EXPORT BOOL __stdcall EgtGetClusterBBoxGlob( int nId[], int nCount, double ptMin[3], double ptMax[3]) ;
 EIN_EXPORT BOOL __stdcall EgtMoveBoxCluster( int nId[], int nCount, double vtMove[3],
                                              double dXmin, double dYmin, double dXmax, double dYmax, double dOffs) ;
-EIN_EXPORT BOOL __stdcall EgtMovePartCluster( int nId[], int nCount, double vtMove[3],
+EIN_EXPORT BOOL __stdcall EgtGetClusterBBoxGlob( int nId[], int nCount, double ptMin[3], double ptMax[3]) ;
+EIN_EXPORT BOOL __stdcall EgtVerifyPartCluster( int nId[], int nCount, BOOL bReducedCut,
+                                                double dXmin, double dYmin, double dXmax, double dYmax) ;
+EIN_EXPORT BOOL __stdcall EgtPackPartCluster( int nId[], int nCount, BOOL bReducedCut,
+                                              double dXmin, double dYmin, double dXmax, double dYmax, BOOL bBottomUp) ;
+EIN_EXPORT BOOL __stdcall EgtMovePartCluster( int nId[], int nCount, BOOL bReducedCut, double vtMove[3],
                                               double dXmin, double dYmin, double dXmax, double dYmax) ;
-EIN_EXPORT BOOL __stdcall EgtRotatePartCluster( int nId[], int nCount, const double ptCen[3], double* pdRotAngDeg, 
+EIN_EXPORT BOOL __stdcall EgtRotatePartCluster( int nId[], int nCount, BOOL bReducedCut, const double ptCen[3], double* pdRotAngDeg, 
                                                 double dXmin, double dYmin, double dXmax, double dYmax) ;
 EIN_EXPORT BOOL __stdcall EgtGetPartClusterCenterGlob( int nId[], int nCount, double ptCen[3]) ;
 
diff --git a/EMkMachiningConst.h b/EMkMachiningConst.h
index b809b5d..b428f06 100644
--- a/EMkMachiningConst.h
+++ b/EMkMachiningConst.h
@@ -14,7 +14,6 @@
 #pragma once
 
 #include "\EgtDev\Include\EMkOperationConst.h"
-#include <string>
 
 //----------------------------------------------------------------------------
 // Tipologie di lavorazioni  (derivano da tipologie di operazioni)
diff --git a/EMkMachiningGeoConst.h b/EMkMachiningGeoConst.h
new file mode 100644
index 0000000..0e63e0e
--- /dev/null
+++ b/EMkMachiningGeoConst.h
@@ -0,0 +1,36 @@
+//----------------------------------------------------------------------------
+//  EgalTech 2016-2016
+//----------------------------------------------------------------------------
+// File : EmkMachiningGeoConst.h     Data : 06.01.16      Versione : 1.6l6
+// Contenuto : Costanti per le geometrie delle lavorazioni.      
+//
+//
+//
+// Modifiche : 06.01.16 DS Creazione modulo.
+//
+//
+//----------------------------------------------------------------------------
+
+#pragma once
+
+#include <string>
+
+//----------------------------------------------------------------------------
+// Chiave per elenco identificativi di selezione
+static std::string KEY_IDS = "IDS" ;
+// Sottogruppi delle lavorazioni
+static std::string MCH_AUX = "AUX" ;
+static std::string MCH_PV = "PV" ;
+static std::string MCH_CL = "CL" ;
+static std::string MCH_PATH = "P" ;
+// Nomi di entità speciali
+static std::string MCH_RISE = "RISE" ;
+// Nomi di entità di preview
+static std::string MCH_PV_CUT = "CUT" ;
+static std::string MCH_PV_PRE_CUT = "PRC" ;
+static std::string MCH_PV_POST_CUT = "POC" ;
+static std::string MCH_PV_RRCUT = "RRCUT" ;
+static std::string MCH_PV_RCUT = "RCUT" ;
+// Chiave info con WidthT e DeltaT lama in Preview
+static std::string MCH_PV_KEY_WT = "WT" ;
+static std::string MCH_PV_KEY_DT = "DT" ;
diff --git a/EXeExecutor.h b/EXeExecutor.h
index 3325a0a..935c500 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -484,13 +484,17 @@ EXE_EXPORT bool ExePackBox( int nId, double dXmin, double dYmin,
                             double dXmax, double dYmax, double dOffs, bool bBottomUp) ;
 EXE_EXPORT bool ExePackBoxCluster( const INTVECTOR& vIds, double dXmin, double dYmin,
                                    double dXmax, double dYmax, double dOffs, bool bBottomUp) ;
-EXE_EXPORT bool ExeGetClusterBBoxGlob( const INTVECTOR& vIds, BBox3d& b3Box) ;
 EXE_EXPORT bool ExeMoveBoxCluster( const INTVECTOR& vIds, Vector3d& vtMove,
                                    double dXmin, double dYmin, double dXmax, double dYmax, double dOffs) ;
+EXE_EXPORT bool ExeGetClusterBBoxGlob( const INTVECTOR& vIds, BBox3d& b3Box) ;
 // Part Nesting
-EXE_EXPORT bool ExeMovePartCluster( const INTVECTOR& vIds, Vector3d& vtMove,
+EXE_EXPORT bool ExeVerifyPartCluster( const INTVECTOR& vIds, bool bReducedCut,
+                                      double dXmin, double dYmin, double dXmax, double dYmax) ;
+EXE_EXPORT bool ExePackPartCluster( const INTVECTOR& vIds, bool bReducedCut,
+                                    double dXmin, double dYmin, double dXmax, double dYmax, bool bBottomUp) ;
+EXE_EXPORT bool ExeMovePartCluster( const INTVECTOR& vIds, bool bReducedCut, Vector3d& vtMove,
                                     double dXmin, double dYmin, double dXmax, double dYmax) ;
-EXE_EXPORT bool ExeRotatePartCluster( const INTVECTOR& vIds, const Point3d& ptCen, double& dRotAngDeg,
+EXE_EXPORT bool ExeRotatePartCluster( const INTVECTOR& vIds, bool bReducedCut, const Point3d& ptCen, double& dRotAngDeg,
                                       double dXmin, double dYmin, double dXmax, double dYmax) ;
 EXE_EXPORT bool ExeGetPartClusterCenterGlob( const INTVECTOR& vIds, Point3d& ptCen) ;