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Decision fieldFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveFree + paidMaker’s RowUnited States · North AmericaRemoveOpen accessCrochet Stitch LibraryGlobalRemoveOpen accessApparel Grade-Rule & Size-Run Validation RecordGlobalRemove
Decision fit
Primary jobFind patterns & fitSource productionLearn techniquesFind patterns & fit
AreaPatterns & fitProductionTechniques & repairPatterns & fit
Best forSearching current and out-of-print sewing patternsFinding US production partnersLearning or identifying crochet stitchesAuditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidence
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 factory profile, platform label, bid, estimate, or message does not establish current identity, factory ownership, capability, capacity, workmanship, pricing, compliance, delivery, or project fit. Paid-plan visibility can affect who responds. Verify the production site, subcontracting, references, samples, quality and compliance records, specifications, commercial terms, and remedies directly.A foundational library, not yet an exhaustive stitch encyclopedia.The record does not create a production grade, supply universal increments or breakpoints, validate a CAD file or fit population, reproduce licensed standards, or replace qualified anthropometric, pattern, technical-design, fit, quality, accessibility, safety, statistical, and user-research review.
Practical access
ForMakersApparel brandsMakersApparel brands
Location or jurisdictionGlobalUnited States · North AmericaGlobalGlobal
AccessFree accountFree + paidOpen accessOpen access
FormatCommunityMarketplaceStitch AuthorityStitch Authority
Source typeCommunity databaseCommercial marketplaceStitch 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.Maker's Row currently lets a brand submit a project before advance sign-up, then provides access to an account. Its project workflow records product details and files and connects projects with factories by location and specialty. Search guidance lists apparel capabilities such as pattern making, sourcing, sample making, and production. Factory access to bids is plan-dependent.The linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface.The guide cites current ISO body-table, size-designation, and garment-measurement boundaries plus two peer-reviewed studies that tested the relationship between conventional grade rules, anthropometric evidence, and garment fit; it requires product-specific target deltas and validation instead of publishing universal increments.
Linked page reviewedJul 21, 2026Jul 21, 2026Jul 15, 2026Jul 16, 2026
Next review dueJan 17, 2027Jan 17, 2027Jul 15, 2027Jul 16, 2027
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