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Decision fieldOpen accessControlled Tech Pack OrientationGlobalRemoveFree accountRavelryGlobalRemoveOpen accessHook & Needle Diameter ReferenceGlobalRemove
Decision fit
Primary jobSource productionChoose materialsLearn techniques
AreaProductionYarnYarn
Best forUnderstanding what a tech pack must control before using a template or releasing workBroad pattern, yarn, and project researchChecking which U.S. alias the current Craft Yarn Council table gives a known metric package size before confirming project gauge
Know before usingAn 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.An account is required and community, publisher, designer, shop, yarn, and project records can vary in currency and accuracy. Search results, ratings, favorites, and project examples do not establish pattern accuracy, yarn availability, seller reliability, fit, gauge, or project suitability. Confirm current files, errata, license, purchase and refund terms, measurements, yarn details, and shop information with the responsible source.The reference is not a dimensional measurement, manufacturer inspection, UK or Canadian conversion, steel-hook chart, tool recommendation, yarn assignment, gauge result, or proof that a proposed tool will produce the required fabric.
Practical access
ForApparel brandsMakersMakers
Location or jurisdictionGlobalGlobalGlobal
AccessOpen accessFree accountOpen access
FormatStitch AuthorityCommunityStitch Authority
Source typeStitch AuthorityCommunity databaseStitch Authority
Source and review
What the source establishesThe guide cites current ISO sources for documented-information, garment-measurement, stitch, and seam boundaries plus current U.S. FTC textile and care-labeling guidance; it explicitly separates those authorities from product-specific technical and market decisions.Ravelry's official description identifies a user-driven database of knitting and crochet patterns and yarns, searchable directories for designers, pattern sources, local yarn stores and yarn brands, and a personal notebook for projects, stash, tools, library items, queues, and favorites. Community members and volunteer editors add and maintain the database records.The lookup reproduces the current public Craft Yarn Council metric and U.S. alias rows and follows the Council's warning that company letter and number labels vary; blank aliases remain blank instead of being inferred.
Linked page reviewedJul 16, 2026Jul 21, 2026Jul 16, 2026
Next review dueJul 16, 2027Jan 17, 2027Jul 16, 2027
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