diff --git a/EGkStmStandard.h b/EGkStmStandard.h
index 5a5d4df..32f975a 100644
--- a/EGkStmStandard.h
+++ b/EGkStmStandard.h
@@ -30,5 +30,7 @@ EGK_EXPORT ISurfTriMesh* GetSurfTriMeshPyramid( double dDimX, double dDimY, doub
 EGK_EXPORT ISurfTriMesh* GetSurfTriMeshCylinder( double dRadius, double dHeight, double dLinTol) ;
 EGK_EXPORT ISurfTriMesh* GetSurfTriMeshCone( double dRadius, double dHeight, double dLinTol) ;
 EGK_EXPORT ISurfTriMesh* GetSurfTriMeshSphere( double dRadius, double dLinTol) ;
+EGK_EXPORT ISurfTriMesh* GetSurfTriMeshPyramidFrustum( double dBaseDimX, double dBaseDimY, double dTopDimX, double dTopDimY, double dHeight) ;
+EGK_EXPORT ISurfTriMesh* GetSurfTriMeshConeFrustum( double dBaseRad, double dTopRad, double dHeight, double dLinTol) ;
 EGK_EXPORT ISurfTriMesh* GetSurfTriMeshPlaneInBox( const Plane3d& plPlane, const BBox3d& b3Box, bool bOnEq = false, bool bOnCt = false) ;
 
diff --git a/EXeExecutor.h b/EXeExecutor.h
index 3cfc09a..2587df8 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -349,6 +349,9 @@ EXE_EXPORT int  ExeCreateSurfTmCone( int nParentId, const Point3d& ptOrig, const
                                      double dRad, double dHeight, double dLinTol, int nRefType) ;
 EXE_EXPORT int  ExeCreateSurfTmSphere( int nParentId, const Point3d& ptOrig,
                                        double dRad, double dLinTol, int nRefType) ;
+EXE_EXPORT int  ExeCreateSurfTmPyramidFrustum( int nParentId, double dBaseDimX, double dBaseDimY,
+                                               double dTopDimX, double dTopDimY, double dHeight) ;
+EXE_EXPORT int  ExeCreateSurfTmConeFrustum( int nParentId, double dBaseRad, double dTopRad, double dHeight, double dLinTol) ;
 EXE_EXPORT int  ExeCreateSurfTmTriangle( int nParentId, const Point3d& ptP1, const Point3d& ptP2, const Point3d& ptP3, int nRefType) ;
 EXE_EXPORT int  ExeCreateSurfTmRectangle( int nParentId, const Point3d& ptO, const Point3d& ptL, const Point3d& ptT, int nRefType) ;
 EXE_EXPORT int  ExeCreateSurfTmByFlatContour( int nParentId, int nCrvId, double dLinTol) ;