// 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
    makeWire1.Add( BRepBuilderAPI_MakeEdge( gp_Pnt( 10, 0, 0 ), gp_Pnt( 10, -10, 0 ) ) );
    makeWire1.Add( BRepBuilderAPI_MakeEdge( gp_Pnt( 10, -10, 0 ), gp_Pnt( 20, -10, 0 ) ) );
    makeWire1.Add( BRepBuilderAPI_MakeEdge( gp_Pnt( 20, -10, 0 ), gp_Pnt( 20, 0, 0 ) ) );
    makeWire1.Add( BRepBuilderAPI_MakeEdge( gp_Pnt( 20, 0, 0 ), gp_Pnt( 10, 0, 0 ) ) );
    TopoDS_Wire wire1 = makeWire1.Wire();
    if ( wire1.Closed() == Standard_True ) {
        qDebug("wire1.Closed() == Standard_True");
    }
    // profile2
    makeWire2.Add( BRepBuilderAPI_MakeEdge( gp_Pnt( 100, 0, 90 ), gp_Pnt( 100, -10, 90 ) ) );
    makeWire2.Add( BRepBuilderAPI_MakeEdge( gp_Pnt( 100, -10, 90 ), gp_Pnt( 110, -10, 90 ) ) );
    makeWire2.Add( BRepBuilderAPI_MakeEdge( gp_Pnt( 110, -10, 90 ), gp_Pnt( 110, 0, 90 ) ) );
    makeWire2.Add( BRepBuilderAPI_MakeEdge( gp_Pnt( 110, 0, 90 ), gp_Pnt( 100, 0, 90 ) ) );
    TopoDS_Wire wire2 = makeWire2.Wire();
    if ( wire2.Closed() == Standard_True ) {
        qDebug("wire2.Closed() == Standard_True");
    }

    // 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();