exampleSketch = startSketchOn('XZ')
  |> startProfileAt([0, 0], %)
  |> line([0, 2], %)
  |> line([3, 1], %)
  |> line([0, -4], %)
  |> close(%)
  |> extrude(1, %)

pattn1 = patternLinear3d({
  axis: [1, 0, 0],
  instances: 7,
  distance: 6
}, exampleSketch)

pattn2 = patternLinear3d({
  axis: [0, 0, 1],
  distance: 1,
  instances: 7
}, pattn1)