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Decision fieldFree + paidThreadloop Sewing Pattern DatabaseGlobalRemoveFree downloadSeamly2DGlobalRemoveFree + paidMaker’s RowUnited States · North AmericaRemove
Decision fit
Primary jobFind patterns & fitFind patterns & fitSource production
Also useful forNo additional job recordedNo additional job recordedNo additional job recorded
AreaPatterns & fitPatterns & fitProduction
Best forSearching current and out-of-print sewing patternsDigital pattern draftingFinding US production partners
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.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.
Practical access
ForMakersBothApparel brands
Location or jurisdictionGlobalGlobalUnited States · North America
AccessFree + paidFree downloadFree + paid
FormatCommunitySoftwareMarketplace
Source typeCommunity databaseOpen-source projectCommercial marketplace
Account, payment, and exit
Access scopeSewer searching pattern records or organizing patterns, projects, fabric, notions, and private files.Not yet reviewed at this level.Not yet reviewed at this level.
Before an accountBrowse the pattern database, guide, designers, publications, and public community areas without creating an account.Not yet reviewed at this level.Not yet reviewed at this level.
Free-account boundaryA free account needs no card and supports a stash, wishlist, projects, reviews, and personal organization.Not yet reviewed at this level.Not yet reviewed at this level.
Payment boundaryPlus adds PDF pattern storage, collections, saved searches, bulk editing, and other workflow features on monthly or annual billing.Not yet reviewed at this level.Not yet reviewed at this level.
Cancellation or exitCancel through an in-account link. Paid features remain through the current billing cycle, then the account returns to free features.Not yet reviewed at this level.Not yet reviewed at this level.
Saved work and dataThe terms say submitted materials remain yours, but the checked public pages do not explain a full export or how stored PDFs behave after downgrade. Keep originals outside the platform.Not yet reviewed at this level.Not yet reviewed at this level.
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. Current terms state that the free plan requires no card, paid upgrades start billing immediately, cancellation retains paid features through the current cycle, and the account then returns to free features.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.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.
Linked page reviewedJul 28, 2026Jul 21, 2026Jul 21, 2026
Next review dueJan 24, 2027Jan 17, 2027Jan 17, 2027
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