diff --git a/EXeExecutor.h b/EXeExecutor.h
index 27d24a2..aa19439 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -363,6 +363,7 @@ EXE_EXPORT int  ExeCreateSurfTmByVolZmap( int nParentId, int nZmapId, int nPart)
 EXE_EXPORT int  ExeCreateSurfBezier( int nParentId, int nDegU, int nDegV, int nSpanU, int nSpanV, const PNTVECTOR& vPnt, int nRefType) ;
 EXE_EXPORT int  ExeCreateSurfBezierRational( int nParentId, int nDegU, int nDegV, int nSpanU, int nSpanV, const PNTUVECTOR& vPntW, int nRefType) ;
 EXE_EXPORT int  ExeCreateSurfBezierLeaves( int nParentId, int nSurfBzId, int nTextHeight = 50, bool bShowTrim = false, int* pnCount = nullptr) ;
+EXE_EXPORT int  ExeCreateBezierSphere( int nParentId, const Point3d& ptCenter, double dR, int nRefType) ;
 
 // GeomDB Create Volume
 EXE_EXPORT int  ExeCreateVolZmap( int nParentId, const Point3d& ptIni, double dDimX,
diff --git a/EgkSbzStandard.h b/EgkSbzStandard.h
new file mode 100644
index 0000000..1192156
--- /dev/null
+++ b/EgkSbzStandard.h
@@ -0,0 +1,27 @@
+//----------------------------------------------------------------------------
+//  EgalTech 2024
+//----------------------------------------------------------------------------
+// File : EGkSbzStandard.h   Data : 14.02.24       Versione : 2.6b2
+// Contenuto : Dichiarazione funzioni per creazione superfici Sbz
+//             standard : Box, Pyramid, Cylinder, Sphere, Cone.
+//
+//
+// Modifiche : 14.02.24 DB Creazione modulo.
+//
+//
+//----------------------------------------------------------------------------
+
+#pragma once
+
+#include "/EgtDev/Include/EGkSurfBezier.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 ISurfBezier* CreateBezierSphere( const Point3d& ptCenter, double dR) ;
\ No newline at end of file