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Decision fieldOpen accessYarnSubGlobalRemoveOpen accessFabric Purchase PlannerGlobalRemoveOpen accessHook & Needle Diameter ReferenceGlobalRemoveFree accountThreadloop Sewing Pattern DatabaseGlobalRemove
Decision fit
Primary jobChoose materialsChoose materialsLearn techniquesFind patterns & fit
AreaYarnMaterialsYarnPatterns & fit
Best forReplacing a discontinued or unavailable yarnDocumenting how a pattern-based fabric quantity becomes an order lengthChecking which U.S. alias the current Craft Yarn Council table gives a known metric package size before confirming project gaugeSearching current and out-of-print sewing patterns
Know before usingA suggested match is a data-based shortlist, not proof that the yarn suits the pattern or maker. Yarn records can be incomplete or wrong, prices and availability vary by market, and the site uses affiliate links. Confirm the required gauge, total length, fibre behavior, construction, care, color, dye lot, accessibility, and seller terms, then make and assess a representative swatch before committing.The planner adds and rounds user-entered lengths; it does not create a cutting layout, infer shrinkage or matching allowances, compensate for a width change, establish usable width, or prove that the order quantity is sufficient.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.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
ForMakersMakersMakersMakers
Location or jurisdictionGlobalGlobalGlobalGlobal
AccessOpen accessOpen accessOpen accessFree account
FormatReferenceStitch AuthorityStitch AuthorityCommunity
Source typeFirst-party platformStitch AuthorityStitch AuthorityCommunity database
Source and review
What the source establishesYarnSub's official FAQ says its matching software compares gauge, texture, yarn weight and density, fibre content, and fibre qualities such as drape and softness. Discontinued yarns remain searchable as starting points but are excluded from suggested replacements, and each yarn page provides a route to report source-data problems.NIST defines 1 yard as exactly 0.9144 metre. Sewing & Craft Alliance guidance ties an applicable cutting layout to the exact view, size, fabric width, and nap condition and recommends layout work when listed conditions do not fit the project.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.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.
Linked page reviewedJul 21, 2026Jul 16, 2026Jul 16, 2026Jul 21, 2026
Next review dueJan 17, 2027Jul 16, 2027Jul 16, 2027Jan 17, 2027
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