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Decision fieldFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveOpen accessHook & Needle Diameter ReferenceGlobalRemoveFree downloadMaiwa Dye and Print InstructionsGlobalRemoveOpen accessControlled Tech Pack OrientationGlobalRemove
Decision fit
Primary jobFind patterns & fitLearn techniquesLearn techniquesSource production
AreaPatterns & fitYarnTechniques & repairProduction
Best forSearching current and out-of-print sewing patternsChecking which U.S. alias the current Craft Yarn Council table gives a known metric package size before confirming project gaugeStarting a documented natural-dye or cloth-printing processUnderstanding what a tech pack must control before using a template or releasing work
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.The reference is not a dimensional measurement, manufacturer inspection, UK or Canadian conversion, steel-hook chart, tool recommendation, yarn assignment, gauge result, or proof that a proposed tool will produce the required fabric.These are vendor-authored process starting points, not guarantees of shade, fastness, discharge quality, worker safety, wastewater acceptability, or production repeatability. Results vary with fibre preparation, water, temperature, pH, dye lot, auxiliaries, equipment, and studio conditions. Test on the actual material and follow current safety data, ventilation, disposal, and local environmental requirements.An orientation rather than a completed product record; it does not supply a universal format, licensed standard content, measurements, tolerances, construction settings, labels, approvals, compliance conclusion, or product-release authority.
Practical access
ForMakersMakersBothApparel brands
Location or jurisdictionGlobalGlobalGlobalGlobal
AccessFree accountOpen accessFree downloadOpen access
FormatCommunityStitch AuthorityReferenceStitch Authority
Source typeCommunity databaseStitch AuthorityFirst-party platformStitch Authority
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 lookup reproduces the current public Craft Yarn Council metric and U.S. alias rows and follows the Council's warning that company letter and number labels vary; blank aliases remain blank instead of being inferred.Maiwa's current instruction-sheet page provides free web or PDF guidance for natural dyes, mordants and assistants, several indigo-vat methods, kakishibu, symplocos, mineral pigments, katazome, block printing, paste resist, batik, silk painting, and stretching and steaming cloth. Each topic links a dedicated guide rather than only a product listing.The guide cites current ISO sources for documented-information, garment-measurement, stitch, and seam boundaries plus current U.S. FTC textile and care-labeling guidance; it explicitly separates those authorities from product-specific technical and market decisions.
Linked page reviewedJul 21, 2026Jul 16, 2026Jul 21, 2026Jul 16, 2026
Next review dueJan 17, 2027Jul 16, 2027Jan 17, 2027Jul 16, 2027
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