{
 "version": "2026-10-20",
 "license": "Dimension sheets are written by Xem Studio from the cited sources and are free to use (CC BY 4.0, attribute 'Xem Studio'). Linked files belong to their publishers under the license shown; Xem Studio does not host them. 'license_verified: false' means the license shown is from memory or the publisher's page as last read and should be confirmed at the link before commercial use.",
 "slug": "bamboo-skewers",
 "name": "Bamboo skewer Ø3 × 300 mm",
 "kind": "standard",
 "category": "Hardware",
 "group": "Found & household materials",
 "year": null,
 "question": "What diameter is a bamboo skewer?",
 "tags": [
  "skewer",
  "bamboo",
  "shaft",
  "found materials",
  "stirling",
  "long earth society"
 ],
 "aliases": [
  "bamboo skewer diameter",
  "skewer size mm",
  "bamboo skewer dimensions",
  "3mm skewer",
  "skewer as axle"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": true,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/bamboo-skewers/",
 "sheet_txt": "https://xemstudio.com/objects/bamboo-skewers/sheet.txt",
 "sheet": {
  "basis": "Common consumer skewer sizes (12 in Ø3 standard; Ø2.5 × 200 and Ø4 × 400 also sold); drawn as a plain cylinder",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "The common bamboo skewer is Ø3 × 300 mm (12 in); the file is a plain Ø3.0 × 300 cylinder.",
   "Thinner Ø2.5 × 200 mm cocktail skewers and thicker Ø4 × 400 mm skewers also exist.",
   "At Ø3 it matches the bore of a 623 bearing and any Ø3 hole drawn in the library, which is why I use it as the crankshaft on the can engine."
  ],
  "table": {
   "columns": [
    "skewer",
    "dia_mm",
    "length_mm"
   ],
   "rows": [
    [
     "standard",
     3,
     300
    ],
    [
     "cocktail",
     2.5,
     200
    ],
    [
     "long",
     4,
     400
    ]
   ]
  }
 },
 "sheet_text": "Bamboo skewer Ø3 × 300 mm — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/bamboo-skewers/  (CC BY 4.0)\nBasis: Common consumer skewer sizes (12 in Ø3 standard; Ø2.5 × 200 and Ø4 × 400 also sold); drawn as a plain cylinder\nCatalog version: 2026-10-20\n\nSizes: see table below\n- The common bamboo skewer is Ø3 × 300 mm (12 in); the file is a plain Ø3.0 × 300 cylinder.\n- Thinner Ø2.5 × 200 mm cocktail skewers and thicker Ø4 × 400 mm skewers also exist.\n- At Ø3 it matches the bore of a 623 bearing and any Ø3 hole drawn in the library, which is why I use it as the crankshaft on the can engine.\n\nskewer  dia_mm  length_mm\nstandard  3  300\ncocktail  2.5  200\nlong  4  400\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Wikipedia: Craft stick — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/Craft_stick\n- Wikipedia: BB gun — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/BB_gun\n- Wikipedia: Table tennis — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/Table_tennis\n- Long Earth Society: Engine builds (videos and write-ups) — web, video — LES site — https://longearthsociety.com/engineering/\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/bamboo-skewers/index.json\nAPI: https://xemstudio.com/api/geometry?object=bamboo-skewers\n",
 "sources": [
  {
   "publisher": "Wikipedia",
   "title": "Craft stick",
   "url": "https://en.wikipedia.org/wiki/Craft_stick",
   "formats": [
    "web"
   ],
   "license": "CC BY-SA 4.0 (text)",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Wikipedia",
   "title": "BB gun",
   "url": "https://en.wikipedia.org/wiki/BB_gun",
   "formats": [
    "web"
   ],
   "license": "CC BY-SA 4.0 (text)",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Wikipedia",
   "title": "Table tennis",
   "url": "https://en.wikipedia.org/wiki/Table_tennis",
   "formats": [
    "web"
   ],
   "license": "CC BY-SA 4.0 (text)",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Long Earth Society",
   "title": "Engine builds (videos and write-ups)",
   "url": "https://longearthsociety.com/engineering/",
   "formats": [
    "web",
    "video"
   ],
   "license": "LES site",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "craft-sticks",
  "coat-hanger-and-paper-clip-wire",
  "ball-bearings-metric",
  "can-engine-cap",
  "cd-dvd-discs"
 ],
 "fits": [
  {
   "role": "Goes in or on",
   "items": [
    {
     "slug": "ball-bearings-metric",
     "why": "Ø3 skewer through the Ø3 bore of a 623"
    },
    {
     "slug": "can-engine-cap",
     "why": "the can engine's crankshaft"
    }
   ]
  },
  {
   "role": "Connects to",
   "items": [
    {
     "slug": "cd-dvd-discs",
     "why": "CD flywheel carried on the Ø3 shaft by a hub"
    }
   ]
  },
  {
   "role": "Alternatives",
   "items": [
    {
     "slug": "coat-hanger-and-paper-clip-wire",
     "why": "Ø2 wire where a thinner shaft is needed"
    }
   ]
  }
 ],
 "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": "What diameter is a bamboo skewer?",
   "a": "3 mm for the common 300 mm (12 in) skewer; 2.5 mm × 200 for cocktail skewers and 4 mm × 400 for long ones."
  },
  {
   "q": "What bearing fits a bamboo skewer?",
   "a": "A 623 bearing has a Ø3 bore, the same nominal size as the Ø3 skewer; see the bearing page's Mating features."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "bamboo-skewer-3x300",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sticks-skewers-wire-bbs/bamboo-skewer-3x300.step",
   "stl": "https://xemstudio.com/files/hardware/sticks-skewers-wire-bbs/bamboo-skewer-3x300.stl",
   "note": "bamboo skewer Ø3 × 300 (also Ø2.5 × 200, Ø4 × 400)"
  }
 ],
 "markdown": "https://xemstudio.com/objects/bamboo-skewers/index.md"
}