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Decision fieldFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveOpen accessEU VIES VAT Number ValidationEuropean UnionRemoveFree downloadSeamly2DGlobalRemoveOpen accessFreeSewingGlobalRemove
Decision fit
Primary jobFind patterns & fitCheck standardsFind patterns & fitFind patterns & fit
AreaPatterns & fitStandardsPatterns & fitPatterns & fit
Best forSearching current and out-of-print sewing patternsChecking an EU supplier's stated VAT number and saving the dated validation response as one identity and invoicing controlDigital pattern draftingCustom-fit home sewing patterns
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 valid VAT number is not proof of manufacturing capability, facility ownership, authorized bank instructions, product origin, tax advice, quality, capacity, certification, labor conditions, or delivery; names and addresses may not be returned for every country, and temporary database outages occur.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.A generated pattern is not independent fit evidence or a production-ready graded block. The result still depends on accurate measurements, the selected design and options, ease assumptions, fabric behavior, construction, and representative test garments. An account stores saved patterns and measurement sets, so review the platform's privacy terms before retaining personal measurements.
Practical access
ForMakersApparel brandsBothMakers
Location or jurisdictionGlobalEuropean UnionGlobalGlobal
AccessFree accountOpen accessFree downloadOpen access
FormatCommunityReferenceSoftwareSoftware
Source typeCommunity databaseOfficial registryOpen-source projectOpen-source project
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.VIES is the European Commission's online VAT Information Exchange System interface for querying national VAT databases to determine whether a submitted number is valid for intra-EU cross-border trade at the time of the request.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.FreeSewing's official documentation says the browser editor drafts a selected design in real time from a measurement set rather than scaling or grading a standard-size pattern. Users can adjust design options and export the generated result, including as PDF; saving the pattern to an account is optional and is used to revisit it later.
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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