{
  "schemaVersion": "1.0",
  "slug": "filler-scribe-panel-calculator",
  "route": "/tools/components/filler-scribe-panel-calculator/",
  "categorySlug": "fronts-panels-installation",
  "name": "Filler and Scribe Panel",
  "title": "Filler and Scribe Panel Calculator",
  "description": "Plan an intentionally oversized cabinet filler or scribe blank from the installed opening, nominal gap, scribe allowance, end clearances, and panel thickness.",
  "searchIntent": "cabinet filler scribe panel calculator",
  "modelVersion": "1.0.0",
  "reviewedDate": "2026-07-30",
  "defaultInputs": {
    "openingHeight": 34.5,
    "nominalGap": 2,
    "scribeAllowance": 0.75,
    "topClearance": 0.0625,
    "bottomClearance": 0.0625,
    "panelThickness": 0.75,
    "panelCount": 1
  },
  "inputs": [
    {
      "id": "openingHeight",
      "label": "Installed opening height",
      "default": 34.5,
      "min": 3,
      "max": 120,
      "step": 0.0625,
      "unit": "in",
      "help": "Field-measured height between the finished top and bottom reference surfaces."
    },
    {
      "id": "nominalGap",
      "label": "Nominal finished gap",
      "default": 2,
      "min": 0.125,
      "max": 24,
      "step": 0.0625,
      "unit": "in",
      "help": "Planning width between the cabinet reference edge and the adjacent finished surface before scribe allowance."
    },
    {
      "id": "scribeAllowance",
      "label": "Removable scribe allowance",
      "default": 0.75,
      "min": 0,
      "max": 6,
      "step": 0.0625,
      "unit": "in",
      "help": "Extra blank width intentionally retained for field templating and trimming."
    },
    {
      "id": "topClearance",
      "label": "Top clearance",
      "default": 0.0625,
      "min": 0,
      "max": 3,
      "step": 0.03125,
      "unit": "in",
      "help": "Deliberate finished clearance at the top of the fitted panel."
    },
    {
      "id": "bottomClearance",
      "label": "Bottom clearance",
      "default": 0.0625,
      "min": 0,
      "max": 3,
      "step": 0.03125,
      "unit": "in",
      "help": "Deliberate finished clearance at the bottom of the fitted panel."
    },
    {
      "id": "panelThickness",
      "label": "Panel thickness",
      "default": 0.75,
      "min": 0.125,
      "max": 3,
      "step": 0.03125,
      "unit": "in",
      "help": "Measured finished thickness of the filler or scribe material."
    },
    {
      "id": "panelCount",
      "label": "Panel quantity",
      "default": 1,
      "min": 1,
      "max": 24,
      "step": 1,
      "unit": "count",
      "help": "Count of blanks that truly share one field condition and finish sequence."
    }
  ],
  "formulas": [
    {
      "part": "Filler or scribe blank",
      "quantity": "panelCount",
      "length": "openingHeight - topClearance - bottomClearance",
      "width": "nominalGap + scribeAllowance",
      "thickness": "panelThickness",
      "formulaNote": "Width intentionally includes removable field-fit stock; the final scribe line comes from a verified template, not the formula."
    }
  ],
  "defaultParts": [
    {
      "name": "Filler or scribe blank",
      "quantity": 1,
      "length": 34.375,
      "width": 2.75,
      "thickness": 0.75,
      "materialGroup": "Finished filler panel",
      "grain": "Vertical",
      "formulaNote": "Width intentionally includes removable field-fit stock; the final scribe line comes from a verified template, not the formula."
    }
  ],
  "assumptions": [
    "The nominal gap and scribe allowance describe an oversized rectangular blank, not the final irregular field edge.",
    "Top and bottom clearances are finished conditions measured between stable installed surfaces.",
    "All grouped panels share the same field geometry, grain, finish, edge treatment, attachment, and installation sequence.",
    "This is a reviewable planning model, not a universal cabinetmaking standard; the shop drawing, approved sample, field dimensions, and contract documents remain authoritative.",
    "Manufacturer hardware dimensions, load ratings, fastener schedules, edge distances, and drilling requirements govern whenever hardware is involved."
  ],
  "checks": [
    "Confirm the blank width is greater than the widest required finished profile while preserving the approved visible reveal.",
    "Check doors, drawers, pulls, appliances, countertops, base, crown, caulk, and adjacent trim through their full movement and installation sequence.",
    "Verify the factory edge, finished face, grain direction, part ID, and scribe edge are unmistakably marked before trimming.",
    "Measure the actual sheet, board, or panel thickness from the material lot and reconcile it with every mating groove, dado, fastener, and hardware allowance.",
    "Build or dry-fit the first assembly, record the verified result, and release the remaining batch only under the same model revision."
  ],
  "stopConditions": [
    "Stop when the cabinet or adjacent finished surface is not installed, stable, or located from an approved control line.",
    "Stop when the field variation exceeds the available scribe stock or would violate reveal, edge, finish, or hardware requirements.",
    "Stop when the exact hardware product, current manufacturer data, or required attachment method is unresolved; do not substitute a generic allowance.",
    "Stop when field dimensions, actual material thickness, grain requirement, or model revision cannot be verified before batch cutting."
  ],
  "sources": [
    {
      "name": "ANSI/AWI 1235-2024 – Specialty Casework",
      "url": "https://awinet.org/standards/specialty-casework/requirements-specialty-casework/3-2-material-6/",
      "scope": "Primary industry standard used here for casework material, component, and hardware-planning context. Its published scope is specialty casework; it does not set universal residential cabinet dimensions or replace project documents."
    },
    {
      "name": "ANSI/AWI 0620-2025 – Finish Carpentry/Installation",
      "url": "https://awinet.org/standards/finish-carpentry-installation/requirements/structural-7/",
      "scope": "Primary industry standard used here only for installation, attachment, and structural-coordination context. It does not certify a wall, fastener, rail, or cabinet assembly for a specific load."
    }
  ]
}
