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Decision fieldPaidPatternLab LondonGlobalRemoveOpen accessGOTS Certified SuppliersGlobalRemoveFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveOpen accessYarnSubGlobalRemove
Decision fit
Primary jobFind patterns & fitCheck standardsFind patterns & fitChoose materials
AreaPatterns & fitMaterialsPatterns & fitYarn
Best forGenerating an editable custom-measurement blockChecking GOTS certification recordsSearching current and out-of-print sewing patternsReplacing a discontinued or unavailable yarn
Know before usingA measurement-generated draft is a starting block, not independent evidence of body capture, comfort, mobility, balance, garment ease, or production fit. The result depends on measurement accuracy, supported ranges, formula assumptions, selected options, and output handling. Review the service's privacy terms before storing body data and sew a representative toile before design, grading, or production use.A company result is not a blanket approval; confirm the certificate scope, validity, facility, process, product, and transaction documentation for the exact purchase.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 suggested match is a data-based shortlist, not proof that the yarn suits the pattern or maker. Yarn records can be incomplete or wrong, prices and availability vary by market, and the site uses affiliate links. Confirm the required gauge, total length, fibre behavior, construction, care, color, dye lot, accessibility, and seller terms, then make and assess a representative swatch before committing.
Practical access
ForBothApparel brandsMakersMakers
Location or jurisdictionGlobalGlobalGlobalGlobal
AccessPaidOpen accessFree accountOpen access
FormatSoftwareDirectoryCommunityReference
Source typeFirst-party platformOfficial registryCommunity databaseFirst-party platform
Source and review
What the source establishesPatternLab London's current drafting page says a user creates a measurement profile, selects a basic block or sloper, adjusts fit, dart placement, length, seam allowance, and sleeve options, then downloads the generated result as tiled PDF, AI, or SVG. The live catalogue names bodice, dress, trouser, and stretch blocks and displays a price before purchase.The official GOTS search exposes certified entities by country, field of operation, product category, and certification detail, including processing and trading scopes.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.YarnSub's official FAQ says its matching software compares gauge, texture, yarn weight and density, fibre content, and fibre qualities such as drape and softness. Discontinued yarns remain searchable as starting points but are excluded from suggested replacements, and each yarn page provides a route to report source-data problems.
Linked page reviewedJul 21, 2026Jul 15, 2026Jul 21, 2026Jul 21, 2026
Next review dueJan 17, 2027Oct 13, 2026Jan 17, 2027Jan 17, 2027
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