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Decision fieldOpen accessPattern Grading & Size-Run Validation RecordGlobalRemoveOpen accessThe Cloth LibraryGlobalRemoveOpen accessPattern Test Brief TemplateGlobalRemoveFree downloadSeamly2DGlobalRemove
Decision fit
Primary jobFind patterns & fitChoose materialsFind patterns & fitFind patterns & fit
Also useful forNo additional job recordedNo additional job recordedNo additional job recordedNo additional job recorded
AreaPatterns & fitMaterialsPatterns & fitPatterns & fit
Best forAuditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidenceStarting a fabric decision before purchase or cuttingPlanning a sewing, knitting, or crochet pattern testDigital pattern drafting
Know before usingThe 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.Source-reviewed describes the page and its cited decision boundaries. It does not authenticate a commercial roll, seller claim, fibre percentage, construction, finish, performance result, machine setting, care route, compliance status, supplier, or product fitness. Internal browse bands are navigation labels, not textile standards or product classes; an entry without a usable listed mass range is unclassified. Check the actual article, seller data, care label, equipment instructions, representative assemblies, applicable rules, and project requirements before deciding.The workflow is not a contract or quality certification; local legal duties and technical review may still apply.Patternmaking knowledge, controlled measurement files, production conventions, and sewn fit testing are still required. The software does not validate body measurements, ease, balance, grading rules, fabric behavior, construction, or product fit. The project currently labels its user wiki manual as needing updates, so confirm current commands and file behavior against the installed release and active support channels.
Practical access
ForApparel brandsBothBothBoth
Location or jurisdictionGlobalGlobalGlobalGlobal
AccessOpen accessOpen accessOpen accessFree download
FormatStitch AuthorityStitch AuthorityStitch AuthoritySoftware
Source typeStitch AuthorityStitch AuthorityStitch AuthorityOpen-source project
Source and review
What the source establishesThe 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.All 50 current cloth entries meet the source-reviewed content contract. The public index, cards, permanent pages, and site search expose that state, while the repository audit enforces a current review date, substantive scope, decision boundaries, and at least three external sources. The migrated cases cover fibre and family representations, woven and knitted construction, open nets, raised and dimensional surfaces, mass, thickness, drape, elasticity, colour, seams, pressing, care state, supports, and complete-product decisions.The linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface.The maintained Seamly2D repository identifies the application as GPLv3+ open-source patternmaking software for Windows, macOS, and Linux. It reads multi-size measurement files for standardized sizes and individual measurement files for custom-fit work, publishes downloadable builds and releases, and links an active website and user forum.
Linked page reviewedJul 27, 2026Jul 16, 2026Jul 15, 2026Jul 21, 2026
Next review dueJul 27, 2027Jul 16, 2027Jul 15, 2027Jan 17, 2027
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