---
name: Classic Trouser Block
points:
  0:
    position: {}
  1:
    position:
      y: -(body_rise + 10)
    relativeTo: 0
  2:
    position:
      y: -inside_leg
    relativeTo: 1
  3:
    position:
      y: inside_leg/2+50
    relativeTo: 2
  4:
    position:
      y: body_rise/4
    relativeTo: 1
  5:
    position:
      x: -(seat/8 - 10)
    relativeTo: 1
  6:
    position:
      x: -(seat/8 - 10)
    relativeTo: 4
  7:
    position:
      x: -(seat/8 - 10)
    relativeTo: 0
  8:
    position:
      x: seat/4 + 20
    relativeTo: 6
  9:
    position:
      x: -(seat/16 + 5)
    relativeTo: 5
  10:
    position:
      x: 10
    relativeTo: 7
  11:
    position:
      x: trouser_waist/4 + 25
    relativeTo: 10
  12:
    position:
      x: trouser_bottom_width/2
    relativeTo: 2
  13:
    position:
      x: -trouser_bottom_width/2
    relativeTo: 2
  14:
    position:
      x: trouser_bottom_width/2 + 15
    relativeTo: 3
  15:
    position:
      x: -(trouser_bottom_width/2 + 15)
    relativeTo: 3
  16:
    position:
      x: (seat/8 - 10) / 4
    relativeTo: 5
  17:
    position:
      x: (seat/8 - 10) / 4
    relativeTo: 6
  18:
    position:
      x: (seat/8 - 10) / 4
    relativeTo: 7
  19:
    between:
      from: 16
      to: 18
      offset: 0.5
  21:
    position:
      x: 20
      y: 10
    relativeTo: 18
  22:
    position:
      x: -(seat/16 + 5)/2 + 5
    relativeTo: 9
  23:
    position:
      y: -5
    relativeTo: 22
  24:
    position:
      x: (((trouser_waist/4 + 45)^2) - (10^2))^(0.5)
      y: -10
    relativeTo: 21
  25:
    between:
      from: 21
      to: 24
      offset: 0.5
  26:
    position:
      x: seat/4 + 30
    relativeTo: 17
  27:
    position:
      x: 20
    relativeTo: 12
  28:
    position:
      x: -20
    relativeTo: 13
  29:
    position:
      x: 20
    relativeTo: 14
  30:
    position:
      x: -20
    relativeTo: 15

panels:
  front:
    name: Front
    information:
      position:
        x: 10
        y: -10
      relativeTo: 1
    allowances:
      hem: none
      seam: 1cm
    points:
      extend12-14:
        between:
          from: 12
          to: 14
          offset: 1.3
      between11-8:
        between:
          from: 8
          to: 11
          offset: 0.5
      between9-15:
        between:
          from: 15
          to: 9
          offset: 0.5
      offset_between11-8:
        position:
          x: 5
        relativeTo: between11-8
      offset_between9-15:
        position:
          x: 5
        relativeTo: between9-15
      extend13-15:
        between:
          from: 13
          to: 15
          offset: 1.5
      r5:
        position:
          rotation: 3*pi/4
        relativeTo: 5
      h5:
        position:
          x: 30
        relativeTo: r5
        hide: true
      1extend:
        position:
          y: -body_rise/4
        relativeTo: 8
        hide: true
    lines:
      - through: [0,4,1,3,2]
      - through: [6, 8]
      - through: [9, 1extend]
      - through: [14,12,13,15,14]
      - through: [14,8,11]
        curve:
          start: extend12-14
          end: offset_between11-8
      - through: [15,9]
        curve:
          start: extend13-15
      - through: [9, h5, 6]
        curve: {}
      - through: [6, 10, 11]

  back:
    name: Back
    information:
      position:
        x: 10
        y: -10
      relativeTo: 1
    allowances:
      hem: none
      seam: 1cm
    points:
      25a:
        position:
          y: -12.5
        relativeTo: 25
        hide: true
      25b:
        position:
          y: 12.5
        relativeTo: 25
        hide: true
      25c:
        position:
          x: 120
        relativeTo: 25
        hide: true
      2down:
        position:
          y: -10
        relativeTo: 2
        hide: true
      16rotated:
        position:
          rotation: pi/4
        relativeTo: 16
      16offset:
        position:
          y: 45
        relativeTo: 16rotated
        hide: true
      23a:
        position:
          x: 160
          y: -30
        relativeTo: 23
      30extend:
        between:
          from: 28
          to: 30
          offset: 1.7
      29extend:
        between:
          from: 27
          to: 29
          offset: 1.7
      16extend:
        position:
          x: seat/4 + 30
        relativeTo: 16
        hide: true
      0extend:
        position:
          y: 10
        relativeTo: 0
        hide: true

    lines:
      - through: [0extend, 0, 4, 1, 3, 2]
      - through: [6, 17, 26]
      - through: [22, 16, 16extend]
      - through: [28, 30, 29, 27]
      - through: [21,25a,25c,25b,24]
      - through: [28,2down,27]
        curve: {}
      - through: [23,16offset,19,21]
        curve:
          start: 23a
      - through: [30,23]
        curve:
          start: 30extend
      - through: [29,26,24]
        curve:
          start: 29extend