diff --git a/EGkVolZmap.h b/EGkVolZmap.h
index 447a394..27966e9 100644
--- a/EGkVolZmap.h
+++ b/EGkVolZmap.h
@@ -1,7 +1,7 @@
 //----------------------------------------------------------------------------
 //  EgalTech 2015-2024
 //----------------------------------------------------------------------------
-// File : EGkVolZmap.h      Data : 09.03.24          Versione : 2.6c2
+// File : EGkVolZmap.h      Data : 22.04.24          Versione : 2.6d4
 // Contenuto : Dichiarazione della interfaccia IVolZmap.
 //
 //
@@ -27,10 +27,10 @@ class __declspec( novtable) IVolZmap : public IGeoObj
    public :
       virtual bool CopyFrom( const IGeoObj* pGObjSrc) = 0 ;
       virtual bool Clear( void) = 0 ;
-      virtual bool Create( const Point3d& ptO, double dDimX, double dDimY, double dDimZ, double dPrec, bool bTriDex) = 0 ;
-      virtual bool CreateEmptyMap( const Point3d& ptO, double dLengthX, double dLengthY, double dLengthZ, double dStep, bool bTriDex) = 0 ;
-      virtual bool CreateFromFlatRegion( const ISurfFlatRegion& Surf, double dDimZ, double dPrec, bool bTriDex) = 0 ;
-      virtual bool CreateFromTriMesh( const ISurfTriMesh& Surf, double dPrec, bool bTriDex) = 0 ;
+      virtual bool Create( const Point3d& ptO, double dDimX, double dDimY, double dDimZ, double dStep, bool bTriDex) = 0 ;
+      virtual bool CreateEmpty( const Point3d& ptO, double dDimX, double dDimY, double dDimZ, double dStep, bool bTriDex) = 0 ;
+      virtual bool CreateFromFlatRegion( const ISurfFlatRegion& Surf, double dDimZ, double dStep, bool bTriDex) = 0 ;
+      virtual bool CreateFromTriMesh( const ISurfTriMesh& Surf, double dStep, bool bTriDex) = 0 ;
       virtual int  GetBlockCount( void) const = 0 ;
       virtual int  GetBlockUpdatingCounter( int nBlock) const = 0 ;
       virtual bool GetBlockTriangles( int nBlock, TRIA3DEXVECTOR& vTria) const = 0 ;
@@ -56,7 +56,7 @@ class __declspec( novtable) IVolZmap : public IGeoObj
       virtual bool SetChiselTool( const std::string& sToolName,
                                   double dH, double dW, double dTh, int nFlag, bool bFirst) = 0 ;
       virtual bool SetAdditiveTool( const std::string& sToolName,
-                            double dH, double dR, double dRC, int nFlag, bool bFirst) = 0 ;
+                                    double dH, double dR, double dRc, int nFlag, bool bFirst) = 0 ;
       virtual int  GetToolCount( void) const = 0 ;
       virtual bool SetCurrTool( int nCurrTool) = 0 ;
       virtual bool ResetTools( void) = 0 ;
diff --git a/EMkMachMgr.h b/EMkMachMgr.h
index b66290a..e6011f2 100644
--- a/EMkMachMgr.h
+++ b/EMkMachMgr.h
@@ -1,7 +1,7 @@
 //----------------------------------------------------------------------------
 //  EgalTech 2015-2024
 //----------------------------------------------------------------------------
-// File : EMkMachMgr.h           Data : 02.04.24          Versione : 2.6d1
+// File : EMkMachMgr.h           Data : 22.04.24          Versione : 2.6d4
 // Contenuto : Dichiarazione della interfaccia IMachMgr.
 //
 //
@@ -17,6 +17,7 @@
 //             28.10.23 DS Aggiunte in interfaccia GetClEntAxesVal, GetToolSetupPosInCurrSetup e GetAllCurrAxesName.
 //             30.03.24 DS Aggiunte in interfaccia GetAllAxesNames e GetCalcTable.
 //             02.04.24 DS Aggiunta in interfaccia GetClEntAxesMask.
+//             22.04.24 DS Aggiunta in interfaccia GetExitId.
 //
 //----------------------------------------------------------------------------
 
@@ -322,6 +323,7 @@ class __declspec( novtable) IMachMgr
       virtual int  GetAxisId( const std::string& sAxis) const = 0 ;
       virtual int  GetHeadId( const std::string& sHead) const = 0 ;
       virtual int  GetHeadExitCount( const std::string& sHead) const = 0 ;
+      virtual int  GetExitId( const std::string& sHead, int nExit) const = 0 ;
       virtual int  GetTcPosId( const std::string& sTcPos) const = 0 ;
       virtual bool GetAxisToken( const std::string& sAxis, std::string& sToken) const = 0 ;
       virtual bool GetAxisType( const std::string& sAxis, bool& bLinear) const = 0 ;
diff --git a/EMkToolConst.h b/EMkToolConst.h
index c421f92..51e5103 100644
--- a/EMkToolConst.h
+++ b/EMkToolConst.h
@@ -27,7 +27,6 @@ const int TF_MORTISE =  0x0800 ;   //  2048
 const int TF_CHISEL =   0x1000 ;   //  4096
 const int TF_WATERJET = 0x2000 ;   //  8192
 const int TF_COMPO =    0x4000 ;   // 16384
-const int TF_ADDITIVE = 0x8000 ;   // 32768
 // Costante per tutte le famiglie
 const int TF_ALL = 0xFF00 ;
 // Tipologie di utensili
@@ -43,8 +42,7 @@ enum ToolType {
    TT_MORTISE_STD = TF_MORTISE + 0,        //  2048
    TT_CHISEL_STD = TF_CHISEL + 0,          //  4096
    TT_WATERJET = TF_WATERJET + 0,          //  8192
-   TT_COMPO = TF_COMPO + 0,                // 16384
-   TT_ADDITIVE = TF_ADDITIVE + 0           // 32768
+   TT_COMPO = TF_COMPO + 0                 // 16384
 } ;
 // Controllo tipo valido
 bool inline IsValidToolType( int nType)
diff --git a/EXeExecutor.h b/EXeExecutor.h
index abedaa8..e410079 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -1202,6 +1202,7 @@ EXE_EXPORT int  ExeGetTableId( const std::string& sTable) ;
 EXE_EXPORT int  ExeGetAxisId( const std::string& sAxis) ;
 EXE_EXPORT int  ExeGetHeadId( const std::string& sHead) ;
 EXE_EXPORT int  ExeGetHeadExitCount( const std::string& sHead) ;
+EXE_EXPORT int  ExeGetExitId( const std::string& sHead, int nExit) ;
 EXE_EXPORT int  ExeGetTcPosId( const std::string& sTcPos) ;
 EXE_EXPORT bool ExeGetAxisToken( const std::string& sAxis, std::string& sToken) ;
 EXE_EXPORT bool ExeGetAxisType( const std::string& sAxis, bool& bLinear) ;