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Decision fieldFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveOpen accessFabric Purchase PlannerGlobalRemoveOpen accessApparel Grade-Rule & Size-Run Validation RecordGlobalRemoveOpen accessGOTS Certified SuppliersGlobalRemove
Decision fit
Primary jobFind patterns & fitChoose materialsFind patterns & fitCheck standards
AreaPatterns & fitMaterialsPatterns & fitMaterials
Best forSearching current and out-of-print sewing patternsDocumenting how a pattern-based fabric quantity becomes an order lengthAuditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidenceChecking GOTS certification records
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 planner adds and rounds user-entered lengths; it does not create a cutting layout, infer shrinkage or matching allowances, compensate for a width change, establish usable width, or prove that the order quantity is sufficient.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.A company result is not a blanket approval; confirm the certificate scope, validity, facility, process, product, and transaction documentation for the exact purchase.
Practical access
ForMakersMakersApparel brandsApparel brands
Location or jurisdictionGlobalGlobalGlobalGlobal
AccessFree accountOpen accessOpen accessOpen access
FormatCommunityStitch AuthorityStitch AuthorityDirectory
Source typeCommunity databaseStitch AuthorityStitch AuthorityOfficial registry
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.NIST defines 1 yard as exactly 0.9144 metre. Sewing & Craft Alliance guidance ties an applicable cutting layout to the exact view, size, fabric width, and nap condition and recommends layout work when listed conditions do not fit the project.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.The official GOTS search exposes certified entities by country, field of operation, product category, and certification detail, including processing and trading scopes.
Linked page reviewedJul 21, 2026Jul 16, 2026Jul 16, 2026Jul 15, 2026
Next review dueJan 17, 2027Jul 16, 2027Jul 16, 2027Oct 13, 2026
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