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Decision fieldOpen accessFabric Mass & Purchase-Comparison RecordGlobalRemoveOpen accessGOTS Certified SuppliersGlobalRemoveFree accountThreadloop Sewing Pattern DatabaseGlobalRemove
Decision fit
Primary jobChoose materialsCheck standardsFind patterns & fit
AreaMaterialsMaterialsPatterns & fit
Best forReplacing universal light, mid, and heavyweight charts with comparable fabric evidence and product-specific decisionsChecking GOTS certification recordsSearching current and out-of-print sewing patterns
Know before usingThe record does not provide universal fabric-weight classes, garment recommendations, test values, targets, tolerances, sampling counts, lot acceptance, drape or performance conclusions, compliance, or a substitute for representative swatches, product trials, and qualified textile, testing, product, quality, safety, sourcing, and compliance review.A company result is not a blanket approval; confirm the certificate scope, validity, facility, process, product, and transaction documentation for the exact purchase.Community 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.
Practical access
ForBothApparel brandsMakers
Location or jurisdictionGlobalGlobalGlobal
AccessOpen accessOpen accessFree account
FormatStitch AuthorityDirectoryCommunity
Source typeStitch AuthorityOfficial registryCommunity database
Source and review
What the source establishesThe guide cites current ASTM and ISO sources for fabric mass per unit area, woven-fabric mass, sampling, conditioning, stiffness, and thickness plus the NIST conversion table; it separates method-defined measurements from product-defined targets, tolerances, and suitability.The official GOTS search exposes certified entities by country, field of operation, product category, and certification detail, including processing and trading scopes.Threadloop'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.
Linked page reviewedJul 16, 2026Jul 15, 2026Jul 21, 2026
Next review dueJul 16, 2027Oct 13, 2026Jan 17, 2027
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