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Decision fieldOpen accessPattern Test Brief TemplateGlobalRemoveOpen accessYarnSubGlobalRemoveOpen accessApparel Grade-Rule & Size-Run Validation RecordGlobalRemove
Decision fit
Primary jobFind patterns & fitChoose materialsFind patterns & fit
AreaPatterns & fitYarnPatterns & fit
Best forPlanning a sewing, knitting, or crochet pattern testReplacing a discontinued or unavailable yarnAuditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidence
Know before usingThe workflow is not a contract or quality certification; local legal duties and technical review may still apply.A 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 record does not create a production grade, supply universal increments or breakpoints, validate a CAD file or fit population, reproduce licensed standards, or replace qualified anthropometric, pattern, technical-design, fit, quality, accessibility, safety, statistical, and user-research review.
Practical access
ForBothMakersApparel brands
Location or jurisdictionGlobalGlobalGlobal
AccessOpen accessOpen accessOpen access
FormatStitch AuthorityReferenceStitch Authority
Source typeStitch AuthorityFirst-party platformStitch Authority
Source and review
What the source establishesThe linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface.YarnSub'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.The guide cites current ISO body-table, size-designation, and garment-measurement boundaries plus two peer-reviewed studies that tested the relationship between conventional grade rules, anthropometric evidence, and garment fit; it requires product-specific target deltas and validation instead of publishing universal increments.
Linked page reviewedJul 15, 2026Jul 21, 2026Jul 16, 2026
Next review dueJul 15, 2027Jan 17, 2027Jul 16, 2027
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