part001 = startSketchOn(XY)
  |> startProfileAt([11.19, 28.35], %)
  |> line(end = [28.67, -13.25], tag = $here)
  |> line(end = [-4.12, -22.81])
  |> line(end = [-33.24, 14.55])
  |> close()
  |> extrude(length = 5)

part002 = startSketchOn(part001, here)
  |> startProfileAt([0, 0], %)
  |> line(end = [0, 10])
  |> line(end = [10, 0])
  |> line(end = [0, -10])
  |> close()
  |> extrude(length = 5)