garment draft derived

{
  "input": {
    "body": {
      "saMm": 10,
      "design": "aaron",
      "fabric": {
        "gapMm": 10,
        "folded": true,
        "widthMm": 1500
      },
      "options": {
        "hipsEase": 12,
        "chestEase": 10,
        "lengthBonus": 15
      },
      "measurements": {
        "hips": 1030,
        "neck": 380,
        "chest": 1000,
        "biceps": 300,
        "hpsToBust": 320,
        "waistToHips": 200,
        "shoulderSlope": 13,
        "waistToArmpit": 220,
        "hpsToWaistBack": 420,
        "shoulderToShoulder": 400
      }
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  },
  "output": {
    "type": "json",
    "example": {
      "saMm": 10,
      "checks": [
        {
          "code": "DESIGN_SUPPORTED",
          "detail": "\"aaron\" (Aaron A-shirt) is an allowlisted freesewing design",
          "status": "passed"
        },
        {
          "code": "MEASUREMENTS_COMPLETE",
          "detail": "All 10 required measurement(s) are present",
          "status": "passed"
        },
        {
          "code": "MEASUREMENTS_PLAUSIBLE",
          "detail": "Every provided measurement is within its plausible range",
          "status": "passed"
        },
        {
          "code": "OPTIONS_IN_RANGE",
          "detail": "All 3 provided option(s) are in range",
          "status": "passed"
        },
        {
          "code": "DRAFT",
          "detail": "Drafted and rendered without errors in 42.4 ms",
          "status": "passed"
        },
        {
          "code": "PIECES_NONEMPTY",
          "detail": "4 piece(s) drafted",
          "status": "passed"
        },
        {
          "code": "SEAM_ALLOWANCE_APPLIED",
          "detail": "Every piece with seam-allowance geometry used it for its cutting outline; 2 piece(s) are drafted without a seam allowance by the design: aaron.armBinding, aaron.neckBinding",
          "status": "passed"
        },
        {
          "code": "PIECES_FIT_FABRIC",
          "detail": "Every piece fits within the usable fabric width of 750 mm",
          "status": "passed"
        },
        {
          "code": "LAYOUT_PACKED",
          "detail": "4 piece placement(s) packed across 1491.5 mm of fabric length",
          "status": "passed"
        },
        {
          "code": "FABRIC_YIELD",
          "detail": "Utilization 29.6% of the usable fabric area",
          "status": "passed"
        }
      ],
      "design": "aaron",
      "layout": {
        "gapMm": 10,
        "folded": true,
        "method": "bbox-shelf",
        "lengthMm": 1491.4860652603518,
        "placements": [
          {
            "xMm": 0,
            "yMm": 0,
            "copy": 1,
            "piece": "aaron.back",
            "onFold": true,
            "mirrored": false,
            "rotationDeg": 0
          },
          {
            "xMm": 0,
            "yMm": 750.7430326301759,
            "copy": 1,
            "piece": "aaron.front",
            "onFold": true,
            "mirrored": false,
            "rotationDeg": 0
          },
          {
            "xMm": 293.97999999999996,
            "yMm": 750.7430326301759,
            "copy": 1,
            "piece": "aaron.armBinding",
            "onFold": false,
            "mirrored": true,
            "rotationDeg": 0
          },
          {
            "xMm": 363.97999999999996,
            "yMm": 750.7430326301759,
            "copy": 1,
            "piece": "aaron.neckBinding",
            "onFold": false,
            "mirrored": true,
            "rotationDeg": 0
          }
        ],
        "utilization": 0.2958254665958102,
        "fabricWidthMm": 1500,
        "usableWidthMm": 750
      },
      "pieces": [
        {
          "cut": 1,
          "name": "aaron.front",
          "title": "front",
          "bboxMm": {
            "widthMm": 283.97999999999996,
            "heightMm": 740.7430326301759
          },
          "onFold": true,
          "areaMm2": 133361.34427204923,
          "material": "fabric",
          "saApplied": true,
          "hasGrainline": false
        },
        {
          "cut": 1,
          "name": "aaron.back",
          "title": "back",
          "bboxMm": {
            "widthMm": 283.97999999999996,
            "heightMm": 740.7430326301759
          },
          "onFold": true,
          "areaMm2": 133361.34427204923,
          "material": "fabric",
          "saApplied": true,
          "hasGrainline": false
        },
        {
          "cut": 2,
          "name": "aaron.armBinding",
          "title": "aaron:armBinding",
          "bboxMm": {
            "widthMm": 60,
            "heightMm": 538.5248073766556
          },
          "onFold": false,
          "areaMm2": 32311.488442599337,
          "material": "fabric",
          "saApplied": false,
          "hasGrainline": false
        },
        {
          "cut": 1,
          "name": "aaron.neckBinding",
          "title": "aaron:neckBinding",
          "bboxMm": {
            "widthMm": 60,
            "heightMm": 531.3415649316104
          },
          "onFold": false,
          "areaMm2": 31880.493895896623,
          "material": "fabric",
          "saApplied": false,
          "hasGrainline": false
        }
      ],
      "status": "passed",
      "totals": {
        "draftMs": 42.43397900000002,
        "cutPieces": 5,
        "pieceAreaMm2": 629948.8478692923
      },
      "warnings": [
        "Part \"aaron.armBinding\" is drafted without a seam allowance by the design; its cutting outline is the seam line.",
        "Part \"aaron.neckBinding\" is drafted without a seam allowance by the design; its cutting outline is the seam line."
      ],
      "artifacts": [
        {
          "href": "https://garment.api.williamrobinson.dev/v1/garment/artifacts/0123456789abcdef0123456789abcdef0123456789abcdef/pattern.svg",
          "name": "pattern.svg",
          "sha256": "7fdc2fed33e9e13816bdc135f63dfd9aa355d137a4979c744945d68eb62486cd",
          "mediaType": "image/svg+xml",
          "sizeBytes": 167624
        },
        {
          "href": "https://garment.api.williamrobinson.dev/v1/garment/artifacts/0123456789abcdef0123456789abcdef0123456789abcdef/layout.svg",
          "name": "layout.svg",
          "sha256": "9c3272c0cbe195c979d5d47afd99cf58ac77b18a953e17f0438cf8fa3bf5dfd0",
          "mediaType": "image/svg+xml",
          "sizeBytes": 2336
        },
        {
          "href": "https://garment.api.williamrobinson.dev/v1/garment/artifacts/0123456789abcdef0123456789abcdef0123456789abcdef/pieces.json",
          "name": "pieces.json",
          "sha256": "925703c0e433706e985bc07ef914ea9c34d8c32ddfc93d701502f26dda023770",
          "mediaType": "application/json",
          "sizeBytes": 2090
        },
        {
          "href": "https://garment.api.williamrobinson.dev/v1/garment/artifacts/0123456789abcdef0123456789abcdef0123456789abcdef/cutlist.csv",
          "name": "cutlist.csv",
          "sha256": "f847c8039263f44ca3f6d755484de68d7b023c15c5c5f7757f48be905dc74563",
          "mediaType": "text/csv; charset=utf-8",
          "sizeBytes": 443
        },
        {
          "href": "https://garment.api.williamrobinson.dev/v1/garment/artifacts/0123456789abcdef0123456789abcdef0123456789abcdef/report.json",
          "name": "report.json",
          "sha256": "3712bddf823468d4b699e8e725cc9b8c7df9499308b8b6aae56a11b725b4789a",
          "mediaType": "application/json",
          "sizeBytes": 5949
        }
      ],
      "expiresAt": "2026-09-13T14:56:37.143Z",
      "limitations": [
        "The layout is a bounding-box shelf packing (NFDH), an upper bound on how little fabric a true irregular-shape nesting could use, not a proven optimum or a real marker.",
        "Every freesewing pattern this product drafts is CC-BY licensed by freesewing.org (https://freesewing.org); the drafted geometry is derivative of their designs and must be attributed on redistribution.",
        "This product does not perform freeform pattern changes, full bust adjustments (beyond a design's own `draftForHighBust`/bust-plugin options), or grading tables; it drafts exactly one size from the measurements given.",
        "Measurements and fabric dimensions are metric-only (mm/degrees); no imperial input or output is supported.",
        "A drafted, checked pattern is not a guarantee of fit on a body: no physical prototype or wear test is performed.",
        "The layout, fabric length, and fabric-yield percentage cover only pieces cut from the design's primary shell fabric; a piece that needs a different material (lining, interfacing, ribbing, etc., named in a warning when present) is still reported with its own bbox/area/cut count but is not laid out or included in that yardage."
      ],
      "designVersion": "4.10.1",
      "optionsApplied": {
        "hipsEase": 12,
        "chestEase": 10,
        "lengthBonus": 15
      },
      "freesewingVersion": "4.10.1",
      "measurementsApplied": {
        "hips": 1030,
        "neck": 380,
        "chest": 1000,
        "biceps": 300,
        "hpsToBust": 320,
        "waistToHips": 200,
        "shoulderSlope": 13,
        "waistToArmpit": 220,
        "hpsToWaistBack": 420,
        "shoulderToShoulder": 400
      }
    }
  }
}