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Decision fieldOpen accessGOTS Certified SuppliersGlobalRemoveFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveOpen accessApparel Grade-Rule & Size-Run Validation RecordGlobalRemoveOpen accessSeam Allowance ConverterGlobalRemove
Decision fit
Primary jobCheck standardsFind patterns & fitFind patterns & fitFind patterns & fit
AreaMaterialsPatterns & fitPatterns & fitPatterns & fit
Best forChecking GOTS certification recordsSearching current and out-of-print sewing patternsAuditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidenceWorking between pattern systems
Know before usingA 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.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 unit reference; the correct allowance depends on material, seam type, and production method.
Practical access
ForApparel brandsMakersApparel brandsBoth
Location or jurisdictionGlobalGlobalGlobalGlobal
AccessOpen accessFree accountOpen accessOpen access
FormatDirectoryCommunityStitch AuthorityStitch Authority
Source typeOfficial registryCommunity databaseStitch AuthorityStitch Authority
Source and review
What the source establishesThe 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.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 linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface.
Linked page reviewedJul 15, 2026Jul 21, 2026Jul 16, 2026Jul 15, 2026
Next review dueOct 13, 2026Jan 17, 2027Jul 16, 2027Jul 15, 2027
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