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Decision fieldFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveOpen accessPattern Test Brief TemplateGlobalRemoveFree downloadbluesign System Partner ListsGlobalRemove
Decision fit
Primary jobFind patterns & fitFind patterns & fitCheck standards
AreaPatterns & fitPatterns & fitMaterials
Best forSearching current and out-of-print sewing patternsPlanning a sewing, knitting, or crochet pattern testStarting a bluesign-aligned supplier check
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.Partner status is not a blanket product claim; use the current official list and confirm the exact facility, material, process, or chemical-input scope.
Practical access
ForMakersBothApparel brands
Location or jurisdictionGlobalGlobalGlobal
AccessFree accountOpen accessFree download
FormatCommunityStitch AuthorityDirectory
Source typeCommunity databaseStitch AuthorityOfficial registry
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.bluesign publishes current system-partner lists and approved-input references that can support facility, material, chemical, dyeing, and finishing checks.
Linked page reviewedJul 21, 2026Jul 15, 2026Jul 15, 2026
Next review dueJan 17, 2027Jul 15, 2027Oct 13, 2026
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