sketch001 = startSketchOn('XY')
  |> startProfileAt([-25, 25], %)
  |> yLine(-50, %, $rectangleSegmentB001)
sketch002 = startSketchOn('XY')
  |> circle({ center = [-50, 0], radius = 10 }, %)
  |> revolve({
       angle = 90,
       axis = rectangleSegmentB001
     }, %)