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Decision fieldOpen accessControlled Tech Pack OrientationGlobalRemoveFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveFree downloadAFIRM Restricted Substances ListGlobalRemove
Decision fit
Primary jobSource productionFind patterns & fitCheck standards
AreaProductionPatterns & fitStandards
Best forUnderstanding what a tech pack must control before using a template or releasing workSearching current and out-of-print sewing patternsBuilding a product chemical-restriction baseline
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.AFIRM states that its list is guidance, not legal advice, an industry standard of care, or a guarantee of completeness or brand acceptance. It does not replace current law, a customer's stricter RSL, manufacturing-input controls, a product-specific risk and sampling plan, accepted laboratory methods, supplier controls, or performance and safety testing.
Practical access
ForApparel brandsMakersApparel brands
Location or jurisdictionGlobalGlobalGlobal
AccessOpen accessFree accountFree download
FormatStitch AuthorityCommunityReference
Source typeStitch AuthorityCommunity databaseIndustry organization
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.AFIRM publishes a 2026 multilingual Restricted Substances List for chemicals in finished apparel, footwear, accessories, and related materials, with a material-specific testing matrix. Its FAQ says the list does not cover product-performance testing, distinguishes the finished-product RSL from manufacturing-input lists, and tells suppliers to check each customer's brand-specific requirements and testing acceptance.
Linked page reviewedJul 16, 2026Jul 21, 2026Jul 21, 2026
Next review dueJul 16, 2027Jan 17, 2027Oct 19, 2026
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