{
 "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": "capricorn-xs-ptfe-tubing",
 "name": "Capricorn XS PTFE Bowden tubing (1.75 mm filament)",
 "kind": "modern",
 "category": "3D printers & filament",
 "group": "Hotends and nozzles",
 "year": null,
 "question": "What are the dimensions of the Capricorn XS PTFE tube?",
 "tags": [
  "3d printer",
  "filament spool",
  "3d printing",
  "printer dimensions",
  "hotends and nozzles"
 ],
 "aliases": [
  "capricorn xs tube dimensions",
  "capricorn ptfe inner diameter",
  "capricorn xs id od",
  "4mm od ptfe tube 1.9mm id",
  "bowden tube 1.75 size",
  "capricorn tubing specs",
  "ptfe tube 2mm vs 1.9mm",
  "capricorn xs bowden",
  "tubo ptfe capricorn medidas",
  "Capricorn PTFE Schlauch Innendurchmesser",
  "tubo ptfe capricorn diâmetro"
 ],
 "overall_mm": {
  "length": 3.95,
  "width": 3.95,
  "height": 100
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/capricorn-xs-ptfe-tubing/",
 "sheet_txt": "https://xemstudio.com/objects/capricorn-xs-ptfe-tubing/sheet.txt",
 "sheet": {
  "basis": "Manufacturer specifications (Capricorn Automation)",
  "overall_mm": {
   "length": 3.95,
   "width": 3.95,
   "height": 100
  },
  "notes": [
   "Capricorn XS is the 1.75 mm-filament Bowden tube with a 1.90 mm bore and 3.95 mm outside, sold as a nominal 4 mm OD tube.",
   "The file is a 100 mm length of tube for fitting couplers and clips; cut length is up to you.",
   "Capricorn notes printer failures can happen well below the stated melting point.",
   "True size, no printing tolerance added. Only published numbers are used; anything not published is said so."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "Inner diameter",
     "1.90 ± 0.05 mm"
    ],
    [
     "Outer diameter",
     "3.95 ± 0.05 mm"
    ],
    [
     "Roundness",
     "< 0.1"
    ],
    [
     "Melting point",
     "up to 340 °C"
    ],
    [
     "Colour",
     "dark blue, opaque"
    ],
    [
     "Linear expansion at 250 °C",
     "2.2–3.3 %"
    ]
   ]
  }
 },
 "sheet_text": "Capricorn XS PTFE Bowden tubing (1.75 mm filament) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/capricorn-xs-ptfe-tubing/  (sheet CC BY 4.0)\nBasis: Manufacturer specifications (Capricorn Automation)\nCatalog version: 2026-10-20\n\nOverall (mm): length 3.95, width 3.95, height 100\n- Capricorn XS is the 1.75 mm-filament Bowden tube with a 1.90 mm bore and 3.95 mm outside, sold as a nominal 4 mm OD tube.\n- The file is a 100 mm length of tube for fitting couplers and clips; cut length is up to you.\n- Capricorn notes printer failures can happen well below the stated melting point.\n- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.\n\ndimension  value\nInner diameter  1.90 ± 0.05 mm\nOuter diameter  3.95 ± 0.05 mm\nRoundness  < 0.1\nMelting point  up to 340 °C\nColour  dark blue, opaque\nLinear expansion at 250 °C  2.2–3.3 %\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Capricorn Automation: Technical Specifications — web — Publisher's page; dimensions are facts — https://www.captubes.com/specs.html\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/capricorn-xs-ptfe-tubing/index.json\nAPI: https://xemstudio.com/api/geometry?object=capricorn-xs-ptfe-tubing\n",
 "sources": [
  {
   "publisher": "Capricorn Automation",
   "title": "Technical Specifications",
   "url": "https://www.captubes.com/specs.html",
   "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": [
  "capricorn-tl-ptfe-tubing",
  "mk8-nozzle-micro-swiss",
  "e3d-v6-nozzle"
 ],
 "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": "What is the inner diameter of Capricorn XS?",
   "a": "1.90 ± 0.05 mm, with a 3.95 ± 0.05 mm outer diameter."
  },
  {
   "q": "Will Capricorn XS fit a 4 mm push-fit coupler?",
   "a": "Its published OD is 3.95 ± 0.05 mm, which is the nominal 4 mm size those couplers take."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "capricorn-xs-ptfe-tubing-sample",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/capricorn-xs-ptfe-tubing/capricorn-xs-ptfe-tubing-sample.step",
   "stl": "https://xemstudio.com/files/hardware/capricorn-xs-ptfe-tubing/capricorn-xs-ptfe-tubing-sample.stl",
   "note": "Tube Ø3.95 OD × Ø1.9 ID, 100 mm sample length (cut to need)"
  }
 ],
 "markdown": "https://xemstudio.com/objects/capricorn-xs-ptfe-tubing/index.md"
}