diff --git a/EGkIntersLineSphere.h b/EGkIntersLineSphere.h
new file mode 100644
index 0000000..94c8175
--- /dev/null
+++ b/EGkIntersLineSphere.h
@@ -0,0 +1,35 @@
+//----------------------------------------------------------------------------
+//  EgalTech 2015-2015
+//----------------------------------------------------------------------------
+// File : EGkIntersLinePlane.h      Data : 18.02.15         Versione : 1.6b7
+// Contenuto : Dichiarazione della classe intersezione linea/piano.
+//
+//
+//
+// Modifiche : 18.02.15 DS Creazione modulo.
+//
+//
+//----------------------------------------------------------------------------
+
+#pragma once
+
+#include "/EgtDev/Include/EGkPlane3d.h"
+
+//----------------------- Macro per import/export ----------------------------
+#undef EGK_EXPORT
+#if defined( I_AM_EGK)            // da definirsi solo nella DLL
+   #define EGK_EXPORT __declspec( dllexport)
+#else
+   #define EGK_EXPORT __declspec( dllimport)
+#endif
+
+//-----------------------------------------------------------------------------
+EGK_EXPORT int IntersLineSphere( const Point3d& ptL, const Vector3d& vtL, const Point3d& ptCen, double dRad,
+                                 Point3d& ptI1, Point3d& ptI2) ;
+
+//-----------------------------------------------------------------------------
+// Tipo di intersezione linea-sfera
+const int ILST_NO = 0 ;          // non c'è intersezione
+const int ILST_TG = 1 ;          // la linea è tangente alla sfera (1 intersezione)
+const int ILST_SEC = 2 ;         // la linea è secante alla sfera (2 intersezioni)
+  
\ No newline at end of file
diff --git a/EGkVolZmap.h b/EGkVolZmap.h
index 8326460..e3f0789 100644
--- a/EGkVolZmap.h
+++ b/EGkVolZmap.h
@@ -50,6 +50,8 @@ class __declspec( novtable) IVolZmap : public IGeoObj
       virtual bool GetDepth( const Point3d& ptP, const Vector3d& vtDir, double& dInLength, double& dOutLength, bool bExact) const = 0 ;
       virtual bool GetPlaneIntersection( const Plane3d& plPlane, POCRVVECTOR& vpLoop) const = 0 ;
       virtual bool AvoidBox( const Frame3d& frBox, const Vector3d& vtDiag) const = 0 ;
+      virtual bool AvoidSphere( const Point3d& ptCenter, double dRad) const = 0 ;
+      virtual bool AvoidCylinder( const Frame3d& frCyl, double dL, double dR) const = 0 ;
       virtual IVolZmap* ClonePart( int nPart) const = 0 ;
       virtual bool RemovePart( int nPart) = 0 ;
 } ;
diff --git a/EInAPI.h b/EInAPI.h
index a49011c..51cb994 100644
--- a/EInAPI.h
+++ b/EInAPI.h
@@ -507,6 +507,7 @@ EIN_EXPORT BOOL __stdcall EgtShearGroup( int nId, const double vPnt[3], const do
 // Nesting
 EIN_EXPORT BOOL __stdcall EgtCreateFlatParts( int nType) ;
 EIN_EXPORT BOOL __stdcall EgtAdjustFlatPartLayer( int nLayerId) ;
+EIN_EXPORT BOOL __stdcall EgtCalcFlatPartUpRegion( int nPartId, BOOL bCalc) ;
 EIN_EXPORT BOOL __stdcall EgtCalcFlatPartDownRegion( int nPartId, double dH) ;
 EIN_EXPORT BOOL __stdcall EgtPackBox( int nId, double dXmin, double dYmin,
                                       double dXmax, double dYmax, double dOffs, BOOL bBottomUp) ;
diff --git a/EMkMachiningGeoConst.h b/EMkMachiningGeoConst.h
index a5bbf2a..75b3ccd 100644
--- a/EMkMachiningGeoConst.h
+++ b/EMkMachiningGeoConst.h
@@ -66,8 +66,9 @@ static std::string KEY_DELTALIEXT = "DLIEXT" ;
 static std::string KEY_DELTALOEXT = "DLOEXT" ;
 // Chiave info in gruppo CL per versore estrusione (normale al piano di interpolazione)
 static std::string KEY_EXTR = "EXTR" ;
-// Chiave info in gruppo CL per punto iniziale
+// Chiavi info in gruppo CL per punti iniziale e finale
 static std::string KEY_START = "START" ;
+static std::string KEY_END = "END" ;
 // Chiavi info in gruppo CL per punti minimo e massimo di ingombro
 static std::string KEY_PMIN = "PMIN" ;
 static std::string KEY_PMAX = "PMAX" ;
diff --git a/EXeExecutor.h b/EXeExecutor.h
index 6d78e5f..34db327 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -494,6 +494,7 @@ EXE_EXPORT bool ExeVolZmapGetDepth( int nId, const Point3d& ptP, const Vector3d&
                                     double& dInLen, double& dOutLen) ;
 EXE_EXPORT int  ExeVolZmapIntersPlane( int nId, const Plane3d& plPlane, int nDestGrpId, int nRefType, int* pnCount) ;
 EXE_EXPORT bool ExeVolZmapAvoidBox( int nId, const Frame3d& frBox, const Vector3d& vtDiag, int nRefType) ;
+EXE_EXPORT bool ExeVolZmapAvoidSphere( int nId, const Point3d& ptCen, double dRad, int nRefType) ;
 
 // Geo Snap Vector/Point/Frame
 EXE_EXPORT bool ExeStartPoint( int nId, int nRefId, Point3d& ptP) ;
@@ -577,6 +578,7 @@ EXE_EXPORT bool ExeShearGroup( int nId, const Point3d& ptP, const Vector3d& vtN,
 // CreateFlatParts
 EXE_EXPORT bool ExeCreateFlatParts( int nType) ;
 EXE_EXPORT bool ExeAdjustFlatPartLayer( int nLayerId) ;
+EXE_EXPORT bool ExeCalcFlatPartUpRegion( int nPartId, bool bCalc) ;
 EXE_EXPORT bool ExeCalcFlatPartDownRegion( int nPartId, double dH) ;
 // Box Nesting
 EXE_EXPORT bool ExePackBox( int nId, double dXmin, double dYmin,