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Decision fieldOpen accessControlled Tech Pack OrientationGlobalRemoveFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveFree accountFOURSOURCE Supplier NetworkGlobalRemoveOpen accessPattern Test Brief TemplateGlobalRemove
Decision fit
Primary jobSource productionFind patterns & fitSource productionFind patterns & fit
AreaProductionPatterns & fitProductionPatterns & fit
Best forUnderstanding what a tech pack must control before using a template or releasing workSearching current and out-of-print sewing patternsSearching global apparel and textile production capabilitiesPlanning a sewing, knitting, or crochet pattern test
Know before usingAn 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.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 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.The workflow is not a contract or quality certification; local legal duties and technical review may still apply.
Practical access
ForApparel brandsMakersApparel brandsBoth
Location or jurisdictionGlobalGlobalGlobalGlobal
AccessOpen accessFree accountFree accountOpen access
FormatStitch AuthorityCommunityMarketplaceStitch Authority
Source typeStitch AuthorityCommunity databaseCommercial marketplaceStitch Authority
Source and review
What the source establishesThe 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.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.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.The linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface.
Linked page reviewedJul 16, 2026Jul 21, 2026Jul 21, 2026Jul 15, 2026
Next review dueJul 16, 2027Jan 17, 2027Jan 17, 2027Jul 15, 2027
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