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Decision fieldOpen accessCrochet Stitch LibraryGlobalRemoveOpen accessWRAP Certified FacilitiesGlobalRemoveFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveOpen accessSeam Allowance ConverterGlobalRemove
Decision fit
Primary jobLearn techniquesCheck standardsFind patterns & fitFind patterns & fit
AreaTechniques & repairProductionPatterns & fitPatterns & fit
Best forLearning or identifying crochet stitchesChecking a named facility's current WRAP certification or discovering listed production unitsSearching current and out-of-print sewing patternsWorking between pattern systems
Know before usingA foundational library, not yet an exhaustive stitch encyclopedia.The public map is opt-in and certification applies to an individual production unit; it does not establish product quality, capacity, availability, upstream coverage, or whole-chain performance.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.A unit reference; the correct allowance depends on material, seam type, and production method.
Practical access
ForMakersApparel brandsMakersBoth
Location or jurisdictionGlobalGlobalGlobalGlobal
AccessOpen accessOpen accessFree accountOpen access
FormatStitch AuthorityDirectoryCommunityStitch Authority
Source typeStitch AuthorityOfficial registryCommunity databaseStitch Authority
Source and review
What the source establishesThe linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface.WRAP states that the map contains current certified production units worldwide and supports manufacturer discovery across apparel, footwear, sewn and leather goods, and textiles.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.The linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface.
Linked page reviewedJul 15, 2026Jul 15, 2026Jul 21, 2026Jul 15, 2026
Next review dueJul 15, 2027Oct 13, 2026Jan 17, 2027Jul 15, 2027
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