points:
  zones:
    matrix: {}
  mirror: 20
outlines:
  exports:
    outline:
      main:
        type: keys
        side: both
        size: 20
        bound: false
      middle_poly:
        type: polygon
        points:
          - ref:
              - matrix
              - mirror_matrix
            shift: [0, 20]
          - shift: [20, -40]
          - shift: [-40, 0]
      outside_polys:
        type: polygon
        points:
          - ref: matrix
            shift: [-10, 15]
          - shift: [5, -10]
          - shift: [-10, 0]
        mirror: true