{
  "question": "Do more walls or more infill make parts stronger?",
  "slug": "wall_count",
  "useCase": "strength",
  "useCaseLabel": "Strength",
  "updated": "2026-10-16",
  "shortAnswer": "Add walls before you raise infill for most functional parts, and treat 3–5 walls with 15–40% infill as the community summary rather than a catalog setting.",
  "recommendedMaterials": [
    "pla",
    "petg",
    "pla-plus"
  ],
  "printerConsiderations": [
    "A bank variant describes a wood PLA birdhouse at 3 walls and 30% gyroid. That is the variant text, not a top-comment test, and not a catalog default.",
    "Another variant names PLA+ at 205 °C (401 °F) and a 60 °C (140 °F) bed, with 2 walls and 100% infill. Those are that person's settings. They are not the eSUN PLA+ row, which lists 190–230 °C (374–446 °F) and 50–70 °C (122–158 °F).",
    "A third variant names PETG at 230 °C (446 °F), an 80 °C (176 °F) bed, and 15% gyroid. Prusament PETG lists 240–260 °C (464–500 °F) and 70–90 °C (158–194 °F). The variant is not that row."
  ],
  "pros": [
    "The strength order in the first sentence matches the editorial summary: walls before infill.",
    "Every temperature in the table is a filament row. None of them pretend to be a slicer preset."
  ],
  "cons": [
    "The catalog has no wall field and no infill field. Publishing 3–5 and 15–40% in the table would invent columns.",
    "The supplied top comments are mostly off this question. One says the failure is bed adhesion. One complains that 100% infill wastes filament. The birdhouse thread's top comments are about birds and about PLA in the sun."
  ],
  "community": "The editorial summary says more walls add more strength than more infill for most functional parts, and that 3–5 walls with 15–40% infill is typical. This catalog does not store either number. A comment on r/FixMyPrint x5ly22 says the pictured failure is bad bed adhesion, and another says 100% infill wastes a lot of filament. A comment on r/3Dprinting 1w14zsq is about PLA left in the sun, including a dashboard boomerang, which belongs on the PLA outdoor page. The 3-wall, 30% gyroid line is a variant phrasing about a wood PLA birdhouse, not a measured strength result in the supplied comments.",
  "related": [
    "strength",
    "pla_outdoor",
    "bed_adhesion"
  ],
  "faq": [
    {
      "q": "Does the catalog recommend 3–5 walls and 15–40% infill?",
      "a": "No. That band is the editorial summary. Prusament PETG, PolyMax PLA, eSUN PLA+, and Bambu PLA Basic do not store a wall count or an infill percent. Their nozzle and bed cells are print temperatures."
    },
    {
      "q": "Is 100% infill the strength setting?",
      "a": "The summary says walls do more for most functional parts. A comment on r/FixMyPrint x5ly22 treats 100% infill as a lot of wasted filament. A bank variant that used 2 walls and 100% infill is that user's print, not a FilamentFacts preset."
    }
  ],
  "sources": [
    {
      "title": "Prusament PETG technical data sheet",
      "url": "https://www.prusa3d.com/file/3464616/prusament-petg-technical-data-sheet.pdf",
      "kind": "datasheet"
    },
    {
      "title": "PolyMax PLA technical data sheet",
      "url": "https://cdn.shopify.com/s/files/1/0548/7299/7945/files/PolyMax_PLA_TDS_EN_V5.4.pdf",
      "kind": "datasheet"
    },
    {
      "title": "Bambu PLA Basic technical data sheet V3.0",
      "url": "https://cdn.shopify.com/s/files/1/0584/7236/6216/files/Bambu_PLA_Basic_Technical_Data_Sheet_bf3411ce-be39-4db7-9669-1b4671d2196b.pdf?v=1734060943",
      "kind": "datasheet"
    },
    {
      "title": "Open Filament Database, eSUN 3D PLA+",
      "url": "https://api.openfilamentdatabase.org/api/v1/brands/esun_3d/materials/PLA/filaments/pla+/index.json",
      "kind": "other"
    },
    {
      "title": "Community source, r/3Dprinting 1w14zsq",
      "url": "https://www.reddit.com/r/3Dprinting/comments/1w14zsq/",
      "kind": "reddit"
    },
    {
      "title": "Community source, r/FixMyPrint x5ly22",
      "url": "https://www.reddit.com/r/FixMyPrint/comments/x5ly22/",
      "kind": "reddit"
    },
    {
      "title": "Community source, r/FixMyPrint 1eqtpsj",
      "url": "https://www.reddit.com/r/FixMyPrint/comments/1eqtpsj/",
      "kind": "reddit"
    },
    {
      "title": "Community source, r/FixMyPrint 12xa9z5",
      "url": "https://www.reddit.com/r/FixMyPrint/comments/12xa9z5/",
      "kind": "reddit"
    },
    {
      "title": "Community source, r/prusa3d 1kg80ll",
      "url": "https://www.reddit.com/r/prusa3d/comments/1kg80ll/",
      "kind": "reddit"
    }
  ],
  "recommendations": [
    {
      "rank": 1,
      "note": "A functional PETG row from the strength guide. Nozzle 240–260 °C (464–500 °F) and bed 70–90 °C (158–194 °F) on the Prusament PETG technical data sheet. The row does not store a wall count or an infill percent.",
      "brand": "Prusament",
      "product": "PETG",
      "material": "PETG",
      "url": "/brand/prusament/petg",
      "nozzle": "240–260 °C (464–500 °F)",
      "bed": "70–90 °C (158–194 °F)",
      "pricePerKg": null,
      "datasheetUrl": "https://www.prusa3d.com/file/3464616/prusament-petg-technical-data-sheet.pdf",
      "affiliateUrl": null
    },
    {
      "rank": 2,
      "note": "PolyMax PLA technical data sheet. Nozzle 190–230 °C (374–446 °F) and bed 25–60 °C (77–140 °F). A drying temperature of 55 °C (131 °F) is stored and the hours are not. No wall or infill cell.",
      "brand": "Polymaker",
      "product": "PolyMax PLA",
      "material": "PLA",
      "url": "/brand/polymaker/polymax-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/PolyMax_PLA_TDS_EN_V5.4.pdf",
      "affiliateUrl": null
    },
    {
      "rank": 3,
      "note": "eSUN PLA+ from the Open Filament Database. Nozzle 190–230 °C (374–446 °F) and bed 50–70 °C (122–158 °F). Drying is not stored. PLA+ in the name is not a wall-count measurement.",
      "brand": "eSUN 3D",
      "product": "PLA+",
      "material": "PLA+",
      "url": "/brand/esun-3d/pla-plus",
      "nozzle": "190–230 °C (374–446 °F)",
      "bed": "50–70 °C (122–158 °F)",
      "pricePerKg": null,
      "datasheetUrl": null,
      "affiliateUrl": null
    },
    {
      "rank": 4,
      "note": "Plain PLA as the contrast, not a stronger recipe. Nozzle 190–230 °C (374–446 °F), bed 35–45 °C (95–113 °F), and drying at 50 °C (122 °F) for 8 h. The sheet does not list walls or infill.",
      "brand": "Bambu Lab",
      "product": "PLA Basic",
      "material": "PLA",
      "url": "/brand/bambu-lab/pla-basic",
      "nozzle": "190–230 °C (374–446 °F)",
      "bed": "35–45 °C (95–113 °F)",
      "pricePerKg": null,
      "datasheetUrl": "https://cdn.shopify.com/s/files/1/0584/7236/6216/files/Bambu_PLA_Basic_Technical_Data_Sheet_bf3411ce-be39-4db7-9669-1b4671d2196b.pdf?v=1734060943",
      "affiliateUrl": null
    }
  ]
}