{
 "version": "2026-10-20",
 "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.",
 "slug": "through-mortise-and-tenon-joint",
 "name": "Through mortise and tenon joint",
 "kind": "hardware",
 "category": "Joinery",
 "group": "Mortise & tenon joints",
 "year": null,
 "question": "What are the proportions of a through mortise and tenon?",
 "tags": [
  "joinery",
  "woodworking joint",
  "3d printable",
  "connect 3d prints",
  "no glue",
  "stl",
  "step",
  "mortise & tenon joints"
 ],
 "aliases": [
  "through mortise and tenon",
  "through tenon",
  "mortise and tenon through",
  "caja y espiga pasante",
  "durchgehender Zapfen"
 ],
 "overall_mm": {
  "length": 80,
  "width": 80,
  "height": 20
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 3,
 "url": "https://xemstudio.com/objects/through-mortise-and-tenon-joint/",
 "sheet_txt": "https://xemstudio.com/objects/through-mortise-and-tenon-joint/sheet.txt",
 "sheet": {
  "basis": "Xem Studio design — geometry computed in the generator from traditional proportions",
  "overall_mm": {
   "length": 80,
   "width": 80,
   "height": 20
  },
  "notes": [
   "Woodworking joint drawn for 3D printing: the parts lock together by shape, so a print can be joined without glue or screws. Drawn at true size with the parts line to line (zero gap) in their assembled position — add your printer's fit allowance to the mating faces (your AI or slicer can do this).",
   "The tenon runs through the mortised member and shows on the far face, where it can be wedged."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "stock",
     "20 × 20 mm square"
    ],
    [
     "parts",
     "stile, rail"
    ],
    [
     "tenon",
     "15 × 6.67 mm, 20 mm long (flush both faces)"
    ],
    [
     "assembles",
     "the tenon passes through the stile"
    ],
    [
     "holds",
     "racking; wedge it (see wedged through tenon) or pin it against pull-out"
    ]
   ]
  }
 },
 "sheet_text": "Through mortise and tenon joint — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/through-mortise-and-tenon-joint/  (sheet CC BY 4.0; files Xem Studio Design License, https://xemstudio.com/license/)\nBasis: Xem Studio design — geometry computed in the generator from traditional proportions\nCatalog version: 2026-10-20\n\nOverall (mm): length 80.0, width 80.0, height 20.0\n- Woodworking joint drawn for 3D printing: the parts lock together by shape, so a print can be joined without glue or screws. Drawn at true size with the parts line to line (zero gap) in their assembled position — add your printer's fit allowance to the mating faces (your AI or slicer can do this).\n- The tenon runs through the mortised member and shows on the far face, where it can be wedged.\n\ndimension  value\nstock  20 × 20 mm square\nparts  stile, rail\ntenon  15 × 6.67 mm, 20 mm long (flush both faces)\nassembles  the tenon passes through the stile\nholds  racking; wedge it (see wedged through tenon) or pin it against pull-out\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Xem Studio: Joinery design (geometry computed in the generator from traditional proportions) — web — Xem Studio design — https://xemstudio.com/\n\nFree files (Xem Studio Design License, Xem Studio; STEP + STL, 3 parts): https://xemstudio.com/files/hardware/through-mortise-and-tenon-joint/index.json\nAPI: https://xemstudio.com/api/geometry?object=through-mortise-and-tenon-joint\n",
 "sources": [
  {
   "publisher": "Xem Studio",
   "title": "Joinery design (geometry computed in the generator from traditional proportions)",
   "url": "https://xemstudio.com/",
   "formats": [
    "web"
   ],
   "license": "Xem Studio design",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "blind-mortise-and-tenon-joint",
  "wedged-through-tenon-joint",
  "tusk-tenon-joint"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.",
 "mating": [],
 "faq": [
  {
   "q": "Why use a through tenon?",
   "a": "It can be wedged from the far side, and the full-length tenon has the most bearing area."
  }
 ],
 "files_license": {
  "name": "Xem Studio Design License",
  "holder": "Xem Studio",
  "url": "https://xemstudio.com/license/",
  "note": "Xem Studio's own design: free to use, print, modify and sell things made from it; not to be republished or redistributed as files."
 },
 "offers": [
  {
   "file": "through-mortise-and-tenon-joint-stile",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "Xem Studio Design License",
   "step": "https://xemstudio.com/files/hardware/through-mortise-and-tenon-joint/through-mortise-and-tenon-joint-stile.step",
   "stl": "https://xemstudio.com/files/hardware/through-mortise-and-tenon-joint/through-mortise-and-tenon-joint-stile.stl",
   "note": "Mortised member: the mortise goes right through"
  },
  {
   "file": "through-mortise-and-tenon-joint-rail",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "Xem Studio Design License",
   "step": "https://xemstudio.com/files/hardware/through-mortise-and-tenon-joint/through-mortise-and-tenon-joint-rail.step",
   "stl": "https://xemstudio.com/files/hardware/through-mortise-and-tenon-joint/through-mortise-and-tenon-joint-rail.stl",
   "note": "Tenoned member: tenon as long as the stile is wide"
  },
  {
   "file": "through-mortise-and-tenon-joint-assembled",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "Xem Studio Design License",
   "step": "https://xemstudio.com/files/hardware/through-mortise-and-tenon-joint/through-mortise-and-tenon-joint-assembled.step",
   "stl": "https://xemstudio.com/files/hardware/through-mortise-and-tenon-joint/through-mortise-and-tenon-joint-assembled.stl",
   "note": "All parts in their assembled position (each part its own solid)"
  }
 ],
 "markdown": "https://xemstudio.com/objects/through-mortise-and-tenon-joint/index.md"
}