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Decision fieldFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveOpen accessHook & Needle Diameter ReferenceGlobalRemoveOpen accessYarn Database EU Dyers and MakersEuropean UnionRemoveOpen accessApparel Grade-Rule & Size-Run Validation RecordGlobalRemove
Decision fit
Primary jobFind patterns & fitLearn techniquesChoose materialsFind patterns & fit
AreaPatterns & fitYarnYarnPatterns & fit
Best forSearching current and out-of-print sewing patternsChecking which U.S. alias the current Craft Yarn Council table gives a known metric package size before confirming project gaugeFinding independent EU yarn or fibre dyers with off-Ravelry purchase routesAuditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidence
Know before usingCommunity members add and quality-control the records, so confirm sizing, measurements, fabric suggestions, format, availability, errata, license, and purchase terms with the designer or publisher. Adding an entry to a stash does not provide the pattern files. Saved searches and private PDF storage are paid Plus features, and a listing or review does not establish pattern accuracy or fit.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.It is one curator's intentionally selective, off-Ravelry-oriented database, inventories change, and paid supporters can receive rotating priority placement; verify availability, fibre claims, shipping, and terms directly.The record does not create a production grade, supply universal increments or breakpoints, validate a CAD file or fit population, reproduce licensed standards, or replace qualified anthropometric, pattern, technical-design, fit, quality, accessibility, safety, statistical, and user-research review.
Practical access
ForMakersMakersMakersApparel brands
Location or jurisdictionGlobalGlobalEuropean UnionGlobal
AccessFree accountOpen accessOpen accessOpen access
FormatCommunityStitch AuthorityDirectoryStitch Authority
Source typeCommunity databaseStitch AuthorityCommunity databaseStitch Authority
Source and review
What the source establishesThreadloop's official guide describes an independent, fully crowdsourced database covering available and out-of-print sewing patterns. Its search supports pattern type, fabric type, age group, body type, cup size, level, format, file features, language, measurements, availability, and other filters; members can also track a stash, wishlist, projects, reviews, and discussions.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.The individually researched database offers free listings and sortable yarn, fibre, designer, editor, accessory, and location views; the EU page spans multiple countries and direct seller profiles.The guide cites current ISO body-table, size-designation, and garment-measurement boundaries plus two peer-reviewed studies that tested the relationship between conventional grade rules, anthropometric evidence, and garment fit; it requires product-specific target deltas and validation instead of publishing universal increments.
Linked page reviewedJul 21, 2026Jul 16, 2026Jul 15, 2026Jul 16, 2026
Next review dueJan 17, 2027Jul 16, 2027Jan 11, 2027Jul 16, 2027
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