{
  "opening": "1.75 mm and 2.85 mm are which hotend the spool was made for. The supplied comments do not measure a diameter. They joke about a country-of-origin label, count kilograms of PETG and ABS, and mention a dryer.",
  "question": "Does filament diameter tolerance matter, and what about 1.75 mm versus 2.85 mm?",
  "slug": "filament_diameter",
  "useCase": "troubleshooting",
  "useCaseLabel": "Troubleshooting",
  "updated": "2026-10-21",
  "shortAnswer": "The supplied comments do not measure a diameter. They joke about a country-of-origin label, count kilograms of PETG and ABS, and mention a dryer. 1.75 mm and 2.85 mm are which hotend the spool was made for.",
  "recommendedMaterials": [
    "pla",
    "petg",
    "pp"
  ],
  "printerConsiderations": [
    "A 2.85 mm spool does not go through a 1.75 mm hotend. The catalog diameter list is the check, not a comment in this bank.",
    "The comments do not. This page leaves that number out.",
    "Inconsistent diameter shows up as flow that changes along the spool. The flow page is that symptom. These comments are not a flow tower."
  ],
  "pros": [
    "Rows that list both 1.75 mm and 2.85 mm are named, with the temperature source labeled.",
    "Off-topic comments stay quoted, so a joke is not turned into a tolerance."
  ],
  "cons": [
    "No comments in this set reads a caliper.",
    "Eryone PETG's stored 0.03 mm tolerance has no checked sentence on the row. It is not cited as a spec."
  ],
  "community": "r/3Dprinting 1trwxjs, score 12: \"\\\"Made in the USA\\\" There's your problem\". Score 8: \"'Made in USA'. I think I found the issue.\" r/3Dprinting 14res8a, score 30, describes 435 kg across 1 kg and 3 kg spools, \"Lots of Petg and Abs,\" and asks about a high-temp all-metal hotend. Score 5: \"A filament dryer or dehydrator will help you get your valve there.\" The editorial summary says ±0.02–0.03 mm is normal for good brands and that 1.75 mm dominates. Neither claim is in the excerpts. No excerpt was supplied for r/3Dprinting spzme6, r/prusa3d 18b0ach, or r/FixMyPrint 122k25z.",
  "related": [
    "filament_quality",
    "cheap",
    "flow",
    "clog",
    "drying"
  ],
  "faq": [
    {
      "q": "Does filament diameter tolerance matter, and what about 1.75 mm versus 2.85 mm?",
      "a": "1.75 mm and 2.85 mm are which hotend the spool was made for. The supplied comments do not measure a diameter. They joke about a country-of-origin label, count kilograms of PETG and ABS, and mention a dryer."
    },
    {
      "q": "Is ±0.02 mm the tolerance to require?",
      "a": "Not from this bank. The comments do not measure a filament."
    },
    {
      "q": "Which of these rows list both 1.75 mm and 2.85 mm?",
      "a": "SUNLU PLA, PolyLite PLA, and SUNLU PP. SUNLU PLA's temperatures are the Open Filament Database row, 190–230 °C (374–446 °F) and 50–70 °C (122–158 °F). SUNLU PP's nozzle, 210–230 °C (410–446 °F), is the product page checked 20 October 2026, and the bed is blank."
    }
  ],
  "sources": [
    {
      "title": "Polymaker US PolyLite PLA product page",
      "url": "https://us.polymaker.com/products/polylite-pla",
      "kind": "manufacturer"
    },
    {
      "title": "SUNLU PP product page",
      "url": "https://store.sunlu.com/products/sunlu-pp-polypropylene-3d-printer-filament-800g",
      "kind": "manufacturer"
    },
    {
      "title": "Eryone PETG product page",
      "url": "https://eryone3d.com/products/petg",
      "kind": "manufacturer"
    },
    {
      "title": "Open Filament Database, SUNLU PLA",
      "url": "https://api.openfilamentdatabase.org/api/v1/brands/sunlu/materials/PLA/filaments/pla/index.json",
      "kind": "other"
    },
    {
      "title": "Community source, r/3Dprinting 1trwxjs",
      "url": "https://www.reddit.com/r/3Dprinting/comments/1trwxjs/",
      "kind": "reddit"
    },
    {
      "title": "Community source, r/3Dprinting 14res8a",
      "url": "https://www.reddit.com/r/3Dprinting/comments/14res8a/",
      "kind": "reddit"
    },
    {
      "title": "Community source, r/3Dprinting spzme6",
      "url": "https://www.reddit.com/r/3Dprinting/comments/spzme6/",
      "kind": "reddit"
    },
    {
      "title": "Community source, r/prusa3d 18b0ach",
      "url": "https://www.reddit.com/r/prusa3d/comments/18b0ach/",
      "kind": "reddit"
    },
    {
      "title": "Community source, r/FixMyPrint 122k25z",
      "url": "https://www.reddit.com/r/FixMyPrint/comments/122k25z/",
      "kind": "reddit"
    }
  ],
  "recommendations": [
    {
      "rank": 1,
      "note": "SUNLU PLA from the Open Filament Database. Nozzle 190–230 °C (374–446 °F) and bed 50–70 °C (122–158 °F). The row lists both 1.75 mm and 2.85 mm. Drying on the wiki is a separate page.",
      "brand": "SUNLU",
      "product": "PLA",
      "material": "PLA",
      "url": "/brand/sunlu/pla",
      "nozzle": "190–230 °C (374–446 °F)",
      "bed": "50–70 °C (122–158 °F)",
      "pricePerKg": null,
      "datasheetUrl": null,
      "affiliateUrl": null
    },
    {
      "rank": 2,
      "note": "PolyLite PLA lists 1.75 mm and 2.85 mm. Nozzle 190–230 °C (374–446 °F), bed 25–60 °C (77–140 °F), drying at 55 °C (131 °F) for 6 h on the US product page checked 14 October 2026. The sheet link is the temperature source.",
      "brand": "Polymaker",
      "product": "Polylite PLA",
      "material": "PLA",
      "url": "/brand/polymaker/polylite-pla",
      "nozzle": "190–230 °C (374–446 °F)",
      "bed": "25–60 °C (77–140 °F)",
      "pricePerKg": null,
      "datasheetUrl": "https://cdn.shopify.com/s/files/1/0548/7299/7945/files/PolyLite_PLA_TDS_EN_V5.4.pdf",
      "affiliateUrl": null
    },
    {
      "rank": 3,
      "note": "SUNLU PP product page checked 20 October 2026. Nozzle 210–230 °C (410–446 °F). Bed temperature is blank. The catalog row lists 1.75 mm and 2.85 mm.",
      "brand": "SUNLU",
      "product": "PP",
      "material": "PP",
      "url": "/brand/sunlu/pp",
      "nozzle": "210–230 °C (410–446 °F)",
      "bed": null,
      "pricePerKg": null,
      "datasheetUrl": null,
      "affiliateUrl": null
    },
    {
      "rank": 4,
      "note": "Eryone PETG product page checked 19 October 2026. Nozzle 230–250 °C (446–482 °F). Bed temperature is blank.",
      "brand": "Eryone",
      "product": "PETG",
      "material": "PETG",
      "url": "/brand/eryone/petg",
      "nozzle": "230–250 °C (446–482 °F)",
      "bed": null,
      "pricePerKg": null,
      "datasheetUrl": null,
      "affiliateUrl": null
    }
  ]
}