diff --git a/API_GdbModifySurf.cpp b/API_GdbModifySurf.cpp
index 0ce8a0e..06663d5 100644
--- a/API_GdbModifySurf.cpp
+++ b/API_GdbModifySurf.cpp
@@ -1,7 +1,7 @@
 //----------------------------------------------------------------------------
 //  EgalTech 2015-2015
 //----------------------------------------------------------------------------
-// File : API_ModifySurf.cpp       Data : 09.03.15        Versione : 1.6b6
+// File : API_GdbModifySurf.cpp       Data : 09.03.15        Versione : 1.6b6
 // Contenuto : Funzioni di modifica delle superfici per API.
 //
 //
diff --git a/API_GdbModifyVolume.cpp b/API_GdbModifyVolume.cpp
new file mode 100644
index 0000000..45d2d6d
--- /dev/null
+++ b/API_GdbModifyVolume.cpp
@@ -0,0 +1,42 @@
+//----------------------------------------------------------------------------
+//  EgalTech 2020-2020
+//----------------------------------------------------------------------------
+// File : API_GdbModifyVolume.cpp       Data : 07.12.20      Versione : 2.2l1
+// Contenuto : Funzioni di modifica dei solidi per API.
+//
+//
+//
+// Modifiche : 07.12.20 DS Creazione modulo.
+//
+//
+//----------------------------------------------------------------------------
+
+//--------------------------- Include ----------------------------------------
+#include "stdafx.h"
+#include "API.h"
+#include "/EgtDev/Include/EInAPI.h"
+#include "/EgtDev/Include/EXeExecutor.h"
+
+using namespace std ;
+
+//-------------------------------------------------------------------------------
+int
+__stdcall EgtExplodeVolume( int nId, int* pnCount)
+{
+   return ExeExplodeVolume( nId, pnCount) ;
+}
+
+//-------------------------------------------------------------------------------
+BOOL
+__stdcall EgtRemoveVolZmapPart( int nId, int nPart)
+{
+   return ( ExeRemoveVolZmapPart( nId, nPart) ? TRUE : FALSE) ;
+}
+
+//-------------------------------------------------------------------------------
+BOOL
+__stdcall EgtVolZmapChangeResolution( int nId, int nNewRes)
+{
+   return ( ExeVolZmapChangeResolution( nId, nNewRes) ? TRUE : FALSE) ;
+}
+
diff --git a/EgtInterface.rc b/EgtInterface.rc
index d0c1814..c8342e6 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ
diff --git a/EgtInterface.vcxproj b/EgtInterface.vcxproj
index b78fac4..8b90afb 100644
--- a/EgtInterface.vcxproj
+++ b/EgtInterface.vcxproj
@@ -223,6 +223,7 @@ copy $(TargetPath) \EgtProg\Dll64</Command>
     <ClCompile Include="API_Exchange.cpp" />
     <ClCompile Include="API_GdbModify.cpp" />
     <ClCompile Include="API_GdbModifySurf.cpp" />
+    <ClCompile Include="API_GdbModifyVolume.cpp" />
     <ClCompile Include="API_GdbObjAttribs.cpp" />
     <ClCompile Include="API_GdbObjects.cpp" />
     <ClCompile Include="API_GdbObjSelection.cpp" />
diff --git a/EgtInterface.vcxproj.filters b/EgtInterface.vcxproj.filters
index c7b95d8..67b7d12 100644
--- a/EgtInterface.vcxproj.filters
+++ b/EgtInterface.vcxproj.filters
@@ -146,6 +146,9 @@
     <ClCompile Include="API_MaxFiller.cpp">
       <Filter>File di origine\API</Filter>
     </ClCompile>
+    <ClCompile Include="API_GdbModifyVolume.cpp">
+      <Filter>File di origine\API</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="EgtInterface.rc">