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Decision fieldFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveOpen accessControlled Tech Pack OrientationGlobalRemoveOpen accessPattern Test Brief TemplateGlobalRemoveFree accountFOURSOURCE Supplier NetworkGlobalRemove
Decision fit
Primary jobFind patterns & fitSource productionFind patterns & fitSource production
AreaPatterns & fitProductionPatterns & fitProduction
Best forSearching current and out-of-print sewing patternsUnderstanding what a tech pack must control before using a template or releasing workPlanning a sewing, knitting, or crochet pattern testSearching global apparel and textile production capabilities
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.An orientation rather than a completed product record; it does not supply a universal format, licensed standard content, measurements, tolerances, construction settings, labels, approvals, compliance conclusion, or product-release authority.The workflow is not a contract or quality certification; local legal duties and technical review may still apply.The company count is a changing platform claim. Search fields, profiles, certificates, locations, and account access do not independently verify the legal entity, factory ownership, capability, capacity, certificate validity or scope, compliance performance, delivery, or project fit. Confirm the site and subcontracting, credentials with issuers, samples, audits when appropriate, specifications, contracts, and commercial terms.
Practical access
ForMakersApparel brandsBothApparel brands
Location or jurisdictionGlobalGlobalGlobalGlobal
AccessFree accountOpen accessOpen accessFree account
FormatCommunityStitch AuthorityStitch AuthorityMarketplace
Source typeCommunity databaseStitch AuthorityStitch 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 guide cites current ISO sources for documented-information, garment-measurement, stitch, and seam boundaries plus current U.S. FTC textile and care-labeling guidance; it explicitly separates those authorities from product-specific technical and market decisions.The linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface.FOURSOURCE's current public network page presents an operator-reported global company count and country or territory search. It says logged-in users can narrow results by compliance certificates, product groups, fabric types, target groups, minimum order quantities, and other fields, with a free-trial and supplier sign-up route.
Linked page reviewedJul 21, 2026Jul 16, 2026Jul 15, 2026Jul 21, 2026
Next review dueJan 17, 2027Jul 16, 2027Jul 15, 2027Jan 17, 2027
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