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Decision fieldOpen accessControlled Tech Pack OrientationGlobalRemoveOpen accessHook & Needle Diameter ReferenceGlobalRemoveOpen accessApparel Grade-Rule & Size-Run Validation RecordGlobalRemoveOpen accessFreeSewingGlobalRemove
Decision fit
Primary jobSource productionLearn techniquesFind patterns & fitFind patterns & fit
AreaProductionYarnPatterns & fitPatterns & fit
Best forUnderstanding what a tech pack must control before using a template or releasing workChecking which U.S. alias the current Craft Yarn Council table gives a known metric package size before confirming project gaugeAuditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidenceCustom-fit home sewing patterns
Know before usingAn 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.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.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.A 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.
Practical access
ForApparel brandsMakersApparel brandsMakers
Location or jurisdictionGlobalGlobalGlobalGlobal
AccessOpen accessOpen accessOpen accessOpen access
FormatStitch AuthorityStitch AuthorityStitch AuthoritySoftware
Source typeStitch AuthorityStitch AuthorityStitch AuthorityOpen-source project
Source and review
What the source establishesThe 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.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.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.FreeSewing'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.
Linked page reviewedJul 16, 2026Jul 16, 2026Jul 16, 2026Jul 21, 2026
Next review dueJul 16, 2027Jul 16, 2027Jul 16, 2027Jan 17, 2027
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