{
 "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": "hokuyo-urg-04lx",
 "name": "Hokuyo URG-04LX laser range finder — body, scanner head and 2 × M3 base mounting holes",
 "kind": "modern",
 "category": "Electronic components",
 "group": "Modules, sensors & displays",
 "year": null,
 "question": "What are the Hokuyo URG-04LX dimensions and mounting-hole positions?",
 "tags": [
  "lidar",
  "laser scanner",
  "laser range finder",
  "2d lidar mount",
  "robot lidar bracket",
  "scanning rangefinder"
 ],
 "aliases": [
  "URG-04LX",
  "hokuyo urg-04lx",
  "urg-04lx-ug01",
  "hokuyo lidar",
  "hokuyo urg",
  "hokuyo laser scanner dimensions",
  "urg 04lx mount"
 ],
 "overall_mm": {
  "length": 50,
  "width": 50,
  "height": 70
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/hokuyo-urg-04lx/",
 "sheet_txt": "https://xemstudio.com/objects/hokuyo-urg-04lx/sheet.txt",
 "sheet": {
  "basis": "Hokuyo's URG-04LX external dimension drawing (C-40-3362) and product page.",
  "overall_mm": {
   "length": 50,
   "width": 50,
   "height": 70
  },
  "notes": [
   "Exact nominal dimensions. Base 50 × 50 mm, 43.5 mm tall (41.0 body + 2.5 step); datum is the base centre, bottom face on z=0; interface and USB connectors on the −X face.",
   "Scanner head Ø42 (largest of the Ø42 / Ø40 / Ø37.5 head diameters), from the base top to 70.0 mm overall height.",
   "Measuring window: the band from 46.0 to 64.0 mm above the base bottom (18 mm tall); keep it clear all round for the scan.",
   "Two M3 threaded holes in the bottom face, 6 mm deep, at diagonal corners of a 40 × 40 mm square centred on the base: (+20, −20) and (−20, +20).",
   "Modelled: base, head, M3 holes. Not modelled: connector openings, base corner rounds, window recess and cable notch."
  ],
  "table": {
   "columns": [
    "feature",
    "x mm",
    "y mm",
    "size"
   ],
   "rows": [
    [
     "M3 hole 1 (bottom)",
     20,
     -20,
     "M3, 6 deep"
    ],
    [
     "M3 hole 2 (bottom)",
     -20,
     20,
     "M3, 6 deep"
    ],
    [
     "scanner head",
     0,
     0,
     "Ø42, top at 70"
    ],
    [
     "measuring window",
     0,
     0,
     "z 46.0–64.0"
    ]
   ]
  }
 },
 "sheet_text": "Hokuyo URG-04LX laser range finder — body, scanner head and 2 × M3 base mounting holes — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/hokuyo-urg-04lx/  (sheet CC BY 4.0)\nBasis: Hokuyo's URG-04LX external dimension drawing (C-40-3362) and product page.\nCatalog version: 2026-10-20\n\nOverall (mm): length 50.0, width 50.0, height 70.0\n- Exact nominal dimensions. Base 50 × 50 mm, 43.5 mm tall (41.0 body + 2.5 step); datum is the base centre, bottom face on z=0; interface and USB connectors on the −X face.\n- Scanner head Ø42 (largest of the Ø42 / Ø40 / Ø37.5 head diameters), from the base top to 70.0 mm overall height.\n- Measuring window: the band from 46.0 to 64.0 mm above the base bottom (18 mm tall); keep it clear all round for the scan.\n- Two M3 threaded holes in the bottom face, 6 mm deep, at diagonal corners of a 40 × 40 mm square centred on the base: (+20, −20) and (−20, +20).\n- Modelled: base, head, M3 holes. Not modelled: connector openings, base corner rounds, window recess and cable notch.\n\nfeature  x mm  y mm  size\nM3 hole 1 (bottom)  20  -20  M3, 6 deep\nM3 hole 2 (bottom)  -20  20  M3, 6 deep\nscanner head  0  0  Ø42, top at 70\nmeasuring window  0  0  z 46.0–64.0\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Hokuyo Automatic: URG-04LX product page — web — Publisher's page; dimensions are facts — https://www.hokuyo-aut.jp/search/single.php?serial=165\n- Hokuyo Automatic: URG-04LX external dimension drawing — web — Publisher's page; dimensions are facts — https://www.hokuyo-aut.jp/p/plan/urg_ed_eg_1456192533.png\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/hokuyo-urg-04lx/index.json\nAPI: https://xemstudio.com/api/geometry?object=hokuyo-urg-04lx\n",
 "sources": [
  {
   "publisher": "Hokuyo Automatic",
   "title": "URG-04LX product page",
   "url": "https://www.hokuyo-aut.jp/search/single.php?serial=165",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Hokuyo Automatic",
   "title": "URG-04LX external dimension drawing",
   "url": "https://www.hokuyo-aut.jp/p/plan/urg_ed_eg_1456192533.png",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "socket-head-cap-screws-metric",
  "button-head-screws-metric",
  "hc-sr04-ultrasonic-sensor",
  "jetson-orin-nano-devkit",
  "raspberry-pi-5"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no tolerance added)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no tolerance added. 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. Typical accuracy by process and ISO 286 fits: https://xemstudio.com/tolerances/",
 "mating": [
  {
   "feature": "base mounting holes",
   "exact": "2 × M3, 6 deep, diagonal corners of a 40 × 40 square on the bottom face",
   "mates": "M3 screws through a bracket; screw engagement ≤ 6",
   "fit": "designed",
   "files": "all"
  },
  {
   "feature": "measuring window",
   "exact": "Ø42 head, window band 46.0–64.0 above the base bottom",
   "mates": "unobstructed scan field around the head",
   "fit": "designed",
   "files": "all"
  }
 ],
 "fit_classes": {
  "press": "stays put: pin, tube, bearing or magnet held by interference. ISO 286 equivalent: H7/p6 (locational interference) or tighter.",
  "slide": "assembles by hand and is held by a grub, pinch or clamp: shaft in a hub, rod in a socket, spigot in a bore. ISO 286 equivalent: H7/g6 or H7/h6.",
  "run": "turns or slides in use: pin in a link, rod through a guide. ISO 286 equivalent: H8/f7 (close running).",
  "socket": "large sliding fit: syringe barrel, sleeve, bobbin in a bore. ISO 286 equivalent: H9/d9 (free running) or looser.",
  "clamp": "split part that closes on the mating part with screws: make it at size.",
  "designed": "a gap that is part of the design (piston fit option, displacer gap, air gap): do not change."
 },
 "faq": [
  {
   "q": "How big is the Hokuyo URG-04LX?",
   "a": "50 × 50 mm base and 70 mm tall overall, with a Ø42 scanner head."
  },
  {
   "q": "How is the URG-04LX mounted?",
   "a": "Two M3 threaded holes, 6 mm deep, in the bottom face at diagonal corners of a 40 × 40 mm square."
  },
  {
   "q": "At what height is the laser window?",
   "a": "The measuring window runs from 46.0 to 64.0 mm above the bottom of the base."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "hokuyo-urg-04lx",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/hokuyo-urg-04lx/hokuyo-urg-04lx.step",
   "stl": "https://xemstudio.com/files/hardware/hokuyo-urg-04lx/hokuyo-urg-04lx.stl",
   "note": "Hokuyo URG-04LX laser range finder — body, scanner head and 2 × M3 base mounting holes"
  }
 ],
 "markdown": "https://xemstudio.com/objects/hokuyo-urg-04lx/index.md"
}