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Decision fieldOpen accessApparel Grade-Rule & Size-Run Validation RecordGlobalRemoveOpen accessCAFTA-DR Textiles and Apparel DirectoryLatin America & CaribbeanRemoveFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveFree + paidYarnpondGlobalRemove
Decision fit
Primary jobFind patterns & fitSource productionFind patterns & fitFind patterns & fit
AreaPatterns & fitProductionPatterns & fitPatterns & fit
Best forAuditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidenceNearshore supplier discovery in the CAFTA-DR regionSearching current and out-of-print sewing patternsRunning knit or crochet pattern tests
Know before usingThe 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.Regional inclusion and a company profile do not prove origin eligibility, available capacity, minimums, compliance, workmanship, or commercial fit.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 platform is for knit and crochet rather than sewing, and a profile, application, rating, or platform listing does not prove technical competence, availability, identity, or fit for a project. Prices and plan limits can change. Define the test or edit scope, sizes, yarn, deadlines, compensation, confidentiality, intellectual property, file handling, expected feedback, and dispute process in writing before work starts.
Practical access
ForApparel brandsApparel brandsMakersBoth
Location or jurisdictionGlobalLatin America & CaribbeanGlobalGlobal
AccessOpen accessOpen accessFree accountFree + paid
FormatStitch AuthorityDirectoryCommunityCommunity
Source typeStitch AuthorityFirst-party platformCommunity databaseFirst-party platform
Source and review
What the source establishesThe 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 ConnectAmericas-powered platform exposes a company directory for manufacturers, importers, and input suppliers plus purchasing notices and a knowledge center.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.Yarnpond's current pages let knit and crochet designers publish public or private testing calls, select applicants, communicate with test teams, set milestones, collect feedback, post sample-making calls, and advertise tech-editing jobs. Testers can participate without charge, while designers pay per testing or job post or use a subscription, and tech editors maintain profiles and apply to posted work.
Linked page reviewedJul 16, 2026Jul 15, 2026Jul 21, 2026Jul 21, 2026
Next review dueJul 16, 2027Jan 11, 2027Jan 17, 2027Jan 17, 2027
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