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Decision fieldOpen accessFreeSewingGlobalRemoveOpen accessApparel Grade-Rule & Size-Run Validation RecordGlobalRemoveOpen accessHook & Needle Diameter ReferenceGlobalRemove
Decision fit
Primary jobFind patterns & fitFind patterns & fitLearn techniques
AreaPatterns & fitPatterns & fitYarn
Best forCustom-fit home sewing patternsAuditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidenceChecking which U.S. alias the current Craft Yarn Council table gives a known metric package size before confirming project gauge
Know before usingA generated pattern is not independent fit evidence or a production-ready graded block. The result still depends on accurate measurements, the selected design and options, ease assumptions, fabric behavior, construction, and representative test garments. An account stores saved patterns and measurement sets, so review the platform's privacy terms before retaining personal measurements.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.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.
Practical access
ForMakersApparel brandsMakers
Location or jurisdictionGlobalGlobalGlobal
AccessOpen accessOpen accessOpen access
FormatSoftwareStitch AuthorityStitch Authority
Source typeOpen-source projectStitch AuthorityStitch Authority
Source and review
What the source establishesFreeSewing's official documentation says the browser editor drafts a selected design in real time from a measurement set rather than scaling or grading a standard-size pattern. Users can adjust design options and export the generated result, including as PDF; saving the pattern to an account is optional and is used to revisit it later.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.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.
Linked page reviewedJul 21, 2026Jul 16, 2026Jul 16, 2026
Next review dueJan 17, 2027Jul 16, 2027Jul 16, 2027
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