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Decision fieldFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveOpen accessTextile Language TranslatorGlobalRemoveFree accountFOURSOURCE Supplier NetworkGlobalRemoveOpen accessApparel Grade-Rule & Size-Run Validation RecordGlobalRemove
Decision fit
Primary jobFind patterns & fitLearn techniquesSource productionFind patterns & fit
AreaPatterns & fitTechniques & repairProductionPatterns & fit
Best forSearching current and out-of-print sewing patternsTurning an unfamiliar phrase or production acronym into a precise next questionSearching global apparel and textile production capabilitiesAuditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidence
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.It is a translation and orientation layer, not legal advice, certification approval, a purchased standard, or proof that a supplier, sample, or lot conforms.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 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.
Practical access
ForMakersBothApparel brandsApparel brands
Location or jurisdictionGlobalGlobalGlobalGlobal
AccessFree accountOpen accessFree accountOpen access
FormatCommunityStitch AuthorityMarketplaceStitch Authority
Source typeCommunity databaseStitch AuthorityCommercial marketplaceStitch Authority
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.Each entry includes plain-language aliases, a working definition, a decision boundary, a checked source, and an internal next step; a repository audit enforces completeness and review dates.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 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.
Linked page reviewedJul 21, 2026Jul 15, 2026Jul 21, 2026Jul 16, 2026
Next review dueJan 17, 2027Jul 15, 2027Jan 17, 2027Jul 16, 2027
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