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Decision fieldFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveOpen accessPattern Test Brief TemplateGlobalRemoveFree downloadAFIRM Restricted Substances ListGlobalRemove
Decision fit
Primary jobFind patterns & fitFind patterns & fitCheck standards
AreaPatterns & fitPatterns & fitStandards
Best forSearching current and out-of-print sewing patternsPlanning a sewing, knitting, or crochet pattern testBuilding a product chemical-restriction baseline
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.The workflow is not a contract or quality certification; local legal duties and technical review may still apply.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
ForMakersBothApparel brands
Location or jurisdictionGlobalGlobalGlobal
AccessFree accountOpen accessFree download
FormatCommunityStitch AuthorityReference
Source typeCommunity databaseStitch AuthorityIndustry organization
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 linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface.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 21, 2026Jul 15, 2026Jul 21, 2026
Next review dueJan 17, 2027Jul 15, 2027Oct 19, 2026
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