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Decision fieldOpen accessGOTS Certified SuppliersGlobalRemoveFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveOpen accessGarment POM Definition & Verification RecordGlobalRemoveFree downloadSeamly2DGlobalRemove
Decision fit
Primary jobCheck standardsFind patterns & fitSource productionFind patterns & fit
AreaMaterialsPatterns & fitProductionPatterns & fit
Best forChecking GOTS certification recordsSearching current and out-of-print sewing patternsTurning an ambiguous POM name, code, or diagram into a reproducible method before setting targets, tolerances, or inspection decisionsDigital pattern drafting
Know before usingA 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.The record does not reproduce licensed ISO measurement drawings, supply universal POM codes or targets, approve an internal method, prove measurement capability or product fit, or replace qualified technical-design, pattern, fit, quality, metrology, safety, and regulatory review.Patternmaking knowledge, controlled measurement files, production conventions, and sewn fit testing are still required. The software does not validate body measurements, ease, balance, grading rules, fabric behavior, construction, or product fit. The project currently labels its user wiki manual as needing updates, so confirm current commands and file behavior against the installed release and active support channels.
Practical access
ForApparel brandsMakersApparel brandsBoth
Location or jurisdictionGlobalGlobalGlobalGlobal
AccessOpen accessFree accountOpen accessFree download
FormatDirectoryCommunityStitch AuthoritySoftware
Source typeOfficial registryCommunity databaseStitch AuthorityOpen-source project
Source and review
What the source establishesThe 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.The guide cites current ISO garment-measurement, body-measurement, and textile-conditioning standards plus NIST measurement-process guidance for repeatability and reproducibility; it requires organization-specific codes, added points, targets, and tolerances to remain explicitly controlled.The maintained Seamly2D repository identifies the application as GPLv3+ open-source patternmaking software for Windows, macOS, and Linux. It reads multi-size measurement files for standardized sizes and individual measurement files for custom-fit work, publishes downloadable builds and releases, and links an active website and user forum.
Linked page reviewedJul 15, 2026Jul 21, 2026Jul 16, 2026Jul 21, 2026
Next review dueOct 13, 2026Jan 17, 2027Jul 16, 2027Jan 17, 2027
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