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Decision fieldFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveOpen accessGOTS Certified SuppliersGlobalRemoveOpen accessFabric Mass Unit ConverterGlobalRemoveFree + paidMaker’s RowUnited States · North AmericaRemove
Decision fit
Primary jobFind patterns & fitCheck standardsChoose materialsSource production
AreaPatterns & fitMaterialsMaterialsProduction
Best forSearching current and out-of-print sewing patternsChecking GOTS certification recordsTranslating the same fabric mass-per-area result between metric and U.S. customary listingsFinding US production partners
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.A company result is not a blanket approval; confirm the certificate scope, validity, facility, process, product, and transaction documentation for the exact purchase.The result is a numerical unit conversion, not a new measurement or conformance decision; it does not establish sample or lot representativeness, significant digits, drape, warmth, opacity, thickness, stretch, strength, shrinkage, durability, sewability, end use, target, or tolerance.A factory profile, platform label, bid, estimate, or message does not establish current identity, factory ownership, capability, capacity, workmanship, pricing, compliance, delivery, or project fit. Paid-plan visibility can affect who responds. Verify the production site, subcontracting, references, samples, quality and compliance records, specifications, commercial terms, and remedies directly.
Practical access
ForMakersApparel brandsBothApparel brands
Location or jurisdictionGlobalGlobalGlobalUnited States · North America
AccessFree accountOpen accessOpen accessFree + paid
FormatCommunityDirectoryStitch AuthorityMarketplace
Source typeCommunity databaseOfficial registryStitch AuthorityCommercial marketplace
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 official GOTS search exposes certified entities by country, field of operation, product category, and certification detail, including processing and trading scopes.The calculator uses the NIST SP 811 Appendix B.8 conversion from avoirdupois ounces per square yard to kilograms per square metre and links to a source-reviewed fabric mass record for method, sampling, conditioning, and product controls.Maker's Row currently lets a brand submit a project before advance sign-up, then provides access to an account. Its project workflow records product details and files and connects projects with factories by location and specialty. Search guidance lists apparel capabilities such as pattern making, sourcing, sample making, and production. Factory access to bids is plan-dependent.
Linked page reviewedJul 21, 2026Jul 15, 2026Jul 16, 2026Jul 21, 2026
Next review dueJan 17, 2027Oct 13, 2026Jul 16, 2027Jan 17, 2027
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