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Decision fieldOpen accessKnitting Stitch LibraryGlobalRemovePaidTUKAcadGlobalRemoveFree accountFOURSOURCE Supplier NetworkGlobalRemoveFree + paidThreadloop Sewing Pattern DatabaseGlobalRemove
Decision fit
Primary jobLearn techniquesFind patterns & fitSource productionFind patterns & fit
Also useful forNo additional job recordedNo additional job recordedNo additional job recordedNo additional job recorded
AreaTechniques & repairPatterns & fitProductionPatterns & fit
Best forLearning or comparing knit structures2D patternmaking and grading with public plan tiersSearching global apparel and textile production capabilitiesSearching current and out-of-print sewing patterns
Know before usingA foundational library, not yet an exhaustive stitch encyclopedia.TUKAcad is Windows software; the official Mac route requires a separate virtual Windows environment. Pattern-piece, graded-size, marker, import and export, digitizing, and production-output capabilities vary materially by paid tier. A CAD file or marker report does not prove fit or factory readiness, so verify formats, grade rules, seam and production data, hardware, training, and downstream compatibility before subscribing.The company count is a changing platform claim. Search fields, profiles, certificates, locations, and account access do not independently verify the legal entity, factory ownership, capability, capacity, certificate validity or scope, compliance performance, delivery, or project fit. Confirm the site and subcontracting, credentials with issuers, samples, audits when appropriate, specifications, contracts, and commercial terms.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.
Practical access
ForMakersBothApparel brandsMakers
Location or jurisdictionGlobalGlobalGlobalGlobal
AccessOpen accessPaidFree accountFree + paid
FormatStitch AuthoritySoftwareMarketplaceCommunity
Source typeStitch AuthorityFirst-party platformCommercial marketplaceCommunity database
Account, payment, and exit
Access scopeNot yet reviewed at this level.Not yet reviewed at this level.Not yet reviewed at this level.Sewer searching pattern records or organizing patterns, projects, fabric, notions, and private files.
Before an accountNot yet reviewed at this level.Not yet reviewed at this level.Not yet reviewed at this level.Browse the pattern database, guide, designers, publications, and public community areas without creating an account.
Free-account boundaryNot yet reviewed at this level.Not yet reviewed at this level.Not yet reviewed at this level.A free account needs no card and supports a stash, wishlist, projects, reviews, and personal organization.
Payment boundaryNot yet reviewed at this level.Not yet reviewed at this level.Not yet reviewed at this level.Plus adds PDF pattern storage, collections, saved searches, bulk editing, and other workflow features on monthly or annual billing.
Cancellation or exitNot yet reviewed at this level.Not yet reviewed at this level.Not yet reviewed at this level.Cancel through an in-account link. Paid features remain through the current billing cycle, then the account returns to free features.
Saved work and dataNot yet reviewed at this level.Not yet reviewed at this level.Not yet reviewed at this level.The 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.
Source and review
What the source establishesThe linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface.Tukatech's current TUKAcad page publishes monthly Learning and Professional editions for digital patternmaking and grading, with a higher tier adding marker making, data import and export, digitizing, cut-data optimization, and yield reports. It discloses plan limits on pattern pieces, graded sizes, and marker dimensions, plus built-in help, block templates, a trial, Windows requirements, and the Windows-on-Mac route.FOURSOURCE's current public network page presents an operator-reported global company count and country or territory search. It says logged-in users can narrow results by compliance certificates, product groups, fabric types, target groups, minimum order quantities, and other fields, with a free-trial and supplier sign-up route.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. 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.
Linked page reviewedJul 15, 2026Jul 21, 2026Jul 21, 2026Jul 28, 2026
Next review dueJul 15, 2027Jan 17, 2027Jan 17, 2027Jan 24, 2027
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