diff --git a/EGkStmFromCurves.h b/EGkStmFromCurves.h
index 92c662a..2ad4d49 100644
--- a/EGkStmFromCurves.h
+++ b/EGkStmFromCurves.h
@@ -14,6 +14,7 @@
 #pragma once
 
 #include "/EgtDev/Include/EGkCurve.h"
+#include "/EgtDev/Include/EGkSurfFlatRegion.h"
 #include "/EgtDev/Include/EGkSurfTriMesh.h"
 
 //----------------------- Macro per import/export ----------------------------
@@ -40,7 +41,8 @@ EGK_EXPORT ISurfTriMesh* GetSurfTriMeshByScrewing( const ICurve* pCurve, const P
                                                    double dAngRotDeg, double dMove, bool bCapEnds, double dLinTol = 10 * EPS_SMALL) ;
 EGK_EXPORT ISurfTriMesh* GetSurfTriMeshRectSwept( double dDimH, double dDimV, double dBevelH, double dBevelV,
                                                   const ICurve* pGuide, int nCapType, double dLinTol = 10 * EPS_SMALL) ;
-EGK_EXPORT ISurfTriMesh* GetSurfTriMeshSwept( const ICurve* pSect, const ICurve* pGuide, bool bCapEnds, double dLinTol = 10 * EPS_SMALL) ;
+EGK_EXPORT ISurfTriMesh* GetSurfTriMeshSwept( const ICurve* pSect, const ICurve* pGuide, bool bCapEnds, double dLinTol = 10 * EPS_SMALL, Vector3d* vtStatic = nullptr) ;
+EGK_EXPORT ISurfTriMesh* GetSurfTriMeshSwept( const ISurfFlatRegion* pSfrSect, const ICurve* pGuide, bool bCapEnds, double dLinTol = 10 * EPS_SMALL, Vector3d* vtStatic = nullptr) ;
 EGK_EXPORT ISurfTriMesh* GetSurfTriMeshTransSwept( const ICurve* pSect, const ICurve* pGuide, bool bCapEnds, double dLinTol = 10 * EPS_SMALL) ;
 EGK_EXPORT ISurfTriMesh* GetSurfTriMeshRuled( const Point3d& ptP, const ICurve* pCurve, double dLinTol = 10 * EPS_SMALL) ;
 EGK_EXPORT ISurfTriMesh* GetSurfTriMeshRuled( const ICurve* pCurve1, const ICurve* pCurve2, int nType, double dLinTol = 10 * EPS_SMALL) ;
diff --git a/EXeExecutor.h b/EXeExecutor.h
index ce96d14..3445df7 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -357,7 +357,7 @@ EXE_EXPORT int  ExeCreateSurfTmByScrewing( int nParentId, int nCrvId,
                                            double dAngRotDeg, double dMove, bool bCapEnds, double dLinTol, int nRefType) ;
 EXE_EXPORT int  ExeCreateSurfTmRectSwept( int nParentId, double dDimH, double dDimV, double dBevelH, double dBevelV,
                                           int nGuideId, int nCapType, double dLinTol) ;
-EXE_EXPORT int  ExeCreateSurfTmSwept( int nParentId, int nSectId, int nGuideId, bool bCapEnds, double dLinTol) ;
+EXE_EXPORT int  ExeCreateSurfTmSwept( int nParentId, int nSectId, int nGuideId, bool bCapEnds, double dLinTol, Vector3d* vtStatic = nullptr) ;
 EXE_EXPORT int  ExeCreateSurfTmTransSwept( int nParentId, int nSectId, int nGuideId, bool bCapEnds, double dLinTol) ;
 EXE_EXPORT int  ExeCreateSurfTmRuled( int nParentId, int nPtOrCrvId1, int nPtOrCrvId2, int nType, double dLinTol) ;
 EXE_EXPORT int  ExeCreateSurfTmByTriangles( int nParentId, const INTVECTOR& vIds, bool bErase) ;