// Make Spline
    TColgp_Array1OfPnt listP( 0, 2 );
    listP.SetValue( 0, gp_Pnt( 100, 0, 100 ) );
    listP.SetValue( 1, gp_Pnt(  50, 0, 100 ) );
    Handle(Geom_BSplineCurve) SPL1 = GeomAPI_PointsToBSpline( listP,1,8);
    BRepBuilderAPI_MakeEdge makeSplineEdge( SPL1 );
    TopoDS_Wire wireSpline = BRepBuilderAPI_MakeWire(makeSplineEdge.Edge()).Wire();

    BRepBuilderAPI_MakeWire makeWire1;
    BRepBuilderAPI_MakeWire makeWire2;

    // profile1
    gp_Pnt CirPnt;
    makeWire1.Add( BRepBuilderAPI_MakeEdge( gp_Pnt( 0, 0, 0 ), gp_Pnt( 0, -10, 0 ) ) );
    CirPnt.SetXYZ( gp_XYZ( 5, -10, 0) );
    gp_Ax2 CirAx1( CirPnt, gp::DY().Reversed() );
    gp_Circ circ1( CirAx1, 5 );
    makeWire1.Add( BRepBuilderAPI_MakeEdge( circ1, gp_Pnt( 0, -10, 0 ), gp_Pnt( 10, -10, 0 ) ) );
    makeWire1.Add( BRepBuilderAPI_MakeEdge( gp_Pnt( 10, -10, 0 ), gp_Pnt( 10, 0, 0 ) ) );
    CirPnt.SetXYZ( gp_XYZ( 5, 0, 0) );
    gp_Ax2 CirAx2( CirPnt, gp::DY() );
    gp_Circ circ2( CirAx2, 5 );
    makeWire1.Add( BRepBuilderAPI_MakeEdge( circ2, gp_Pnt( 10, 0, 0 ), gp_Pnt( 0, 0, 0 ) ) );
    TopoDS_Wire wire1 = makeWire1.Wire();

    // profile2
    makeWire2.Add( BRepBuilderAPI_MakeEdge( gp_Pnt( 100, 0, 100 ), gp_Pnt( 100, -10, 100 ) ) );
    CirPnt.SetXYZ( gp_XYZ( 105, -10, 100) );
    gp_Ax2 CirAx3( CirPnt, gp::DY().Reversed() );
    gp_Circ circ3( CirAx3, 5 );
    makeWire2.Add( BRepBuilderAPI_MakeEdge( circ3, gp_Pnt( 100, -10, 100 ), gp_Pnt( 110, -10, 100 ) ) );
    makeWire2.Add( BRepBuilderAPI_MakeEdge( gp_Pnt( 110, -10, 100 ), gp_Pnt( 110, 0, 100 ) ) );
    CirPnt.SetXYZ( gp_XYZ( 105, 0, 100) );
    gp_Ax2 CirAx4( CirPnt, gp::DY() );
    gp_Circ circ4( CirAx4, 5 );
    makeWire2.Add( BRepBuilderAPI_MakeEdge( circ4, gp_Pnt( 110, 0, 100 ), gp_Pnt( 100, 0, 100 ) ) );
    TopoDS_Wire wire2 = makeWire2.Wire();

    // BRepOffsetAPI_MakePipeShell
    BRepOffsetAPI_MakePipeShell broMkPipeShell( wireSpline );
    broMkPipeShell.Add( wire1 );
    broMkPipeShell.Add( wire2 );

    broMkPipeShell.Build();

    if ( broMkPipeShell.GetStatus() != BRepBuilderAPI_PipeDone ) {
        // ("broMkPipeShell.GetStatus() != BRepBuilderAPI_PipeDone");
        return;
    }
    if ( broMkPipeShell.MakeSolid() == Standard_False ) {
        // ("broMkPipeShell.MakeSolid() == Standard_False");
    }
    TopoDS_Shape shapeSweeped = broMkPipeShell.Shape();