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Side-by-side evidence and decision metadata for selected textile resources.
Decision fieldOpen accessFreeSewingGlobalRemoveOpen accessKnitting Needle to Crochet Hook Size ChartGlobalRemoveOpen accessTech Pack Definition, Contents & LimitsGlobalRemove
Decision fit
Primary jobFind patterns & fitLearn techniquesSource production
Also useful forNo additional job recordedNo additional job recordedNo additional job recorded
AreaPatterns & fitYarnProduction
Best forCustom-fit home sewing patternsFinding the current CYC hook and needle aliases that share one known nominal metric diameter before confirming project gaugeUnderstanding what a tech pack must control before using a template or releasing work
Know before usingA generated pattern is not independent fit evidence or a production-ready graded block. The result still depends on accurate measurements, the selected design and options, ease assumptions, fabric behavior, construction, and representative test garments. An account stores saved patterns and measurement sets, so review the platform's privacy terms before retaining personal measurements.A shared nominal diameter does not make a knitting needle and crochet hook interchangeable or predict equal gauge or fabric. The reference is not a physical measurement, manufacturer inspection, UK or Canadian conversion, steel-hook chart, tool recommendation, yarn assignment, or project approval.An orientation rather than a completed product record; it does not supply a universal format, licensed standard content, measurements, tolerances, construction settings, labels, approvals, compliance conclusion, or product-release authority.
Practical access
ForMakersMakersApparel brands
Location or jurisdictionGlobalGlobalGlobal
AccessOpen accessOpen accessOpen access
FormatSoftwareStitch AuthorityStitch Authority
Source typeOpen-source projectStitch AuthorityStitch Authority
Source and review
What the source establishesFreeSewing's official documentation says the browser editor drafts a selected design in real time from a measurement set rather than scaling or grading a standard-size pattern. Users can adjust design options and export the generated result, including as PDF; saving the pattern to an account is optional and is used to revisit it later.Rechecked July 28, 2026. The lookup reproduces the current public Craft Yarn Council metric and U.S. alias rows, aligns hooks and needles only when their nominal millimetre value matches, and leaves missing rows or aliases unfilled.The guide cites published ISO sources for documented-information, garment-measurement, stitch, and seam boundaries plus current U.S. FTC textile and care-labeling guidance; it discloses that ISO 10013:2021's 2026 systematic review is at close-of-review stage and separates every cited authority from product-specific technical and market decisions.
Linked page reviewedJul 21, 2026Jul 28, 2026Jul 27, 2026
Next review dueJan 17, 2027Jul 28, 2027Jul 27, 2027
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