{
 "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": "adafruit-vl53l0x-3317",
 "name": "Adafruit VL53L0X ToF distance sensor (#3317, STEMMA QT): 25.4 × 17.78 mm board, 4 mounting holes and sensor window",
 "kind": "modern",
 "category": "Electronic components",
 "group": "Modules, sensors & displays",
 "year": null,
 "question": "What are the Adafruit VL53L0X (product 3317) breakout dimensions and mounting-hole positions?",
 "tags": [
  "vl53l0x",
  "adafruit vl53l0x dimensions",
  "tof sensor mounting holes",
  "stemma qt breakout",
  "time of flight sensor mount"
 ],
 "aliases": [
  "Adafruit VL53L0X",
  "vl53l0x",
  "Adafruit 3317",
  "VL53L0X Time of Flight Distance Sensor",
  "adafruit vl53l0x time-of-flight distance sensor breakout product 3317",
  "VL53L0X STEMMA QT breakout",
  "VL53L0X micro lidar"
 ],
 "overall_mm": {
  "length": 25.4,
  "width": 17.78,
  "height": 4.55
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/adafruit-vl53l0x-3317/",
 "sheet_txt": "https://xemstudio.com/objects/adafruit-vl53l0x-3317/sheet.txt",
 "sheet": {
  "basis": "Adafruit's EagleCAD board file for the VL53L0X STEMMA QT breakout, with connector height from the JST SH datasheet.",
  "overall_mm": {
   "length": 25.4,
   "width": 17.78,
   "height": 4.55
  },
  "notes": [
   "Board 25.40 × 17.78, 1.6 thick, R2.54 corners, centred, board bottom at 0; 6-pin 0.1 in header row along one long edge.",
   "Four Ø2.5 mounting holes at (±10.16, ±6.35) from the board centre: a 20.32 × 12.70 rectangle.",
   "STEMMA QT (JST SH 4-pin) connectors on both short edges, openings facing outward, 4.55 overall height.",
   "VL53L0X sensor (2.40 × 4.40 × 1.0) at the board centre; its top is the optical window, keep it clear.",
   "Not modelled: loose header and small parts. The older non-STEMMA version is 20.32 × 17.78 with two holes and differs.",
   "All dimensions are exact nominal millimetres, true size, with no tolerance added."
  ],
  "table": {
   "columns": [
    "hole",
    "x (mm)",
    "y (mm)",
    "diameter (mm)"
   ],
   "rows": [
    [
     "1",
     "-10.16",
     "-6.35",
     "2.5"
    ],
    [
     "2",
     "+10.16",
     "-6.35",
     "2.5"
    ],
    [
     "3",
     "-10.16",
     "+6.35",
     "2.5"
    ],
    [
     "4",
     "+10.16",
     "+6.35",
     "2.5"
    ]
   ]
  }
 },
 "sheet_text": "Adafruit VL53L0X ToF distance sensor (#3317, STEMMA QT): 25.4 × 17.78 mm board, 4 mounting holes and sensor window — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/adafruit-vl53l0x-3317/  (sheet CC BY 4.0)\nBasis: Adafruit's EagleCAD board file for the VL53L0X STEMMA QT breakout, with connector height from the JST SH datasheet.\nCatalog version: 2026-10-20\n\nOverall (mm): length 25.4, width 17.78, height 4.55\n- Board 25.40 × 17.78, 1.6 thick, R2.54 corners, centred, board bottom at 0; 6-pin 0.1 in header row along one long edge.\n- Four Ø2.5 mounting holes at (±10.16, ±6.35) from the board centre: a 20.32 × 12.70 rectangle.\n- STEMMA QT (JST SH 4-pin) connectors on both short edges, openings facing outward, 4.55 overall height.\n- VL53L0X sensor (2.40 × 4.40 × 1.0) at the board centre; its top is the optical window, keep it clear.\n- Not modelled: loose header and small parts. The older non-STEMMA version is 20.32 × 17.78 with two holes and differs.\n- All dimensions are exact nominal millimetres, true size, with no tolerance added.\n\nhole  x (mm)  y (mm)  diameter (mm)\n1  -10.16  -6.35  2.5\n2  +10.16  -6.35  2.5\n3  -10.16  +6.35  2.5\n4  +10.16  +6.35  2.5\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Adafruit: Adafruit VL53L0X Time of Flight Distance Sensor (#3317) — web — Publisher's page; dimensions are facts — https://www.adafruit.com/product/3317\n- Adafruit: Adafruit-VL53L0X-ToF-Distance-Sensor-PCB repository — web — Publisher's page; dimensions are facts — https://github.com/adafruit/Adafruit-VL53L0X-ToF-Distance-Sensor-PCB\n- Adafruit Learning System: Adafruit VL53L0X Micro-LIDAR Distance Sensor Breakout guide — web — Publisher's page; dimensions are facts — https://learn.adafruit.com/adafruit-vl53l0x-micro-lidar-distance-sensor-breakout\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/adafruit-vl53l0x-3317/index.json\nAPI: https://xemstudio.com/api/geometry?object=adafruit-vl53l0x-3317\n",
 "sources": [
  {
   "publisher": "Adafruit",
   "title": "Adafruit VL53L0X Time of Flight Distance Sensor (#3317)",
   "url": "https://www.adafruit.com/product/3317",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Adafruit",
   "title": "Adafruit-VL53L0X-ToF-Distance-Sensor-PCB repository",
   "url": "https://github.com/adafruit/Adafruit-VL53L0X-ToF-Distance-Sensor-PCB",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Adafruit Learning System",
   "title": "Adafruit VL53L0X Micro-LIDAR Distance Sensor Breakout guide",
   "url": "https://learn.adafruit.com/adafruit-vl53l0x-micro-lidar-distance-sensor-breakout",
   "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": [
  "adafruit-stemma-qt-breakouts",
  "jst-sh-connector",
  "threaded-standoffs-metric",
  "pin-headers-2.54mm",
  "adafruit-bme280-breakout-original"
 ],
 "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": "Mounting holes",
   "exact": "4 × Ø2.5 on 20.32 × 12.70",
   "mates": "M2.5 or #2-56 screws and standoffs",
   "fit": "designed",
   "files": "all"
  },
  {
   "feature": "Sensor window",
   "exact": "2.40 × 4.40 package at board centre",
   "mates": "clear opening in a cover or sensor ring",
   "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 Adafruit VL53L0X breakout?",
   "a": "The STEMMA QT version is 25.40 × 17.78 mm, 1.6 mm board, 4.55 mm tall over the connectors."
  },
  {
   "q": "What are the VL53L0X breakout mounting holes?",
   "a": "Four Ø2.5 holes on a 20.32 × 12.70 mm rectangle centred on the board."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "adafruit-vl53l0x-3317",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/adafruit-vl53l0x-3317/adafruit-vl53l0x-3317.step",
   "stl": "https://xemstudio.com/files/hardware/adafruit-vl53l0x-3317/adafruit-vl53l0x-3317.stl",
   "note": "Adafruit VL53L0X ToF distance sensor (#3317, STEMMA QT): 25.4 × 17.78 mm board, 4 mounting holes and sensor window"
  }
 ],
 "markdown": "https://xemstudio.com/objects/adafruit-vl53l0x-3317/index.md"
}