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Decision fieldFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveOpen accessSeam Allowance ConverterGlobalRemoveOpen accessPattern Grader Hiring BriefGlobalRemove
Decision fit
Primary jobFind patterns & fitFind patterns & fitFind patterns & fit
AreaPatterns & fitPatterns & fitPatterns & fit
Best forSearching current and out-of-print sewing patternsWorking between pattern systemsScoping and accepting freelance pattern-grading work
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.A unit reference; the correct allowance depends on material, seam type, and production method.The brief does not approve a base pattern, size system, grade rule, pattern, file, provider, contract, classification, fee, fit, sample plan, production use, or intellectual-property position, and it does not replace qualified pattern, fit, CAD, employment, tax, privacy, and legal review.
Practical access
ForMakersBothApparel brands
Location or jurisdictionGlobalGlobalGlobal
AccessFree accountOpen accessOpen access
FormatCommunityStitch AuthorityStitch Authority
Source typeCommunity databaseStitch AuthorityStitch Authority
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.The source-reviewed brief cites current U.S. Department of Labor task and title evidence, ISO documented-information, size-designation, body-table, and garment-measurement sources, first-party CAD exchange guidance, and one professional discovery route; it requires controlled inputs, explicit authority, receiver-tested files, sewn evidence, and acceptance records.
Linked page reviewedJul 21, 2026Jul 15, 2026Jul 16, 2026
Next review dueJan 17, 2027Jul 15, 2027Jul 16, 2027
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