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Decision fieldFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveFree downloadSeamly2DGlobalRemoveQuote-basedLectra ModarisGlobalRemove
Decision fit
Primary jobFind patterns & fitFind patterns & fitFind patterns & fit
AreaPatterns & fitPatterns & fitPatterns & fit
Best forSearching current and out-of-print sewing patternsDigital pattern draftingEnterprise pattern rooms and supplier file exchange
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.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.The page does not publish price and its product-quality, error-prevention, data-loss, and fit statements are vendor claims. Capabilities vary across Essential, Classic, Expert, 3D, and add-ons. Confirm licenses, modules, support, system and file requirements, then pilot approved blocks, grade rules, supplier reopen, material and mannequin data, plot or cut outputs, and risk-appropriate physical fit and production checks.
Practical access
ForMakersBothApparel brands
Location or jurisdictionGlobalGlobalGlobal
AccessFree accountFree downloadQuote-based
FormatCommunitySoftwareSoftware
Source typeCommunity databaseOpen-source projectFirst-party platform
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 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.Lectra's current Modaris page identifies version 2025.2 as the latest listed release and describes a one- to three-year subscription with two releases per year. The modular range covers base-pattern creation and modification, grading and industrialization, native-file supplier work, pattern libraries, synchronized 2D and 3D prototypes, configurable or imported mannequins, and separate conversion and consumption-estimate add-ons.
Linked page reviewedJul 21, 2026Jul 21, 2026Jul 21, 2026
Next review dueJan 17, 2027Jan 17, 2027Jan 17, 2027
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