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Decision fieldOpen accessPattern Test Brief TemplateGlobalRemoveOpen accessMaterial Sourcing RequestGlobalRemoveFree downloadSeamly2DGlobalRemove
Decision fit
Primary jobFind patterns & fitChoose materialsFind patterns & fit
Also useful forNo additional job recordedNo additional job recordedNo additional job recorded
AreaPatterns & fitMaterialsPatterns & fit
Best forPlanning a sewing, knitting, or crochet pattern testRequesting comparable fabric, trim, or component offersDigital pattern drafting
Know before usingThe workflow is not a contract or quality certification; local legal duties and technical review may still apply.The request does not set product-specific pass values, prove fitness or safety, validate claims, replace laboratory testing, or determine legal compliance.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
ForBothApparel brandsBoth
Location or jurisdictionGlobalGlobalGlobal
AccessOpen accessOpen accessFree download
FormatStitch AuthorityStitch AuthoritySoftware
Source typeStitch AuthorityStitch AuthorityOpen-source project
Source and review
What the source establishesThe linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface.The request uses official textile test-method scopes, labeling guidance, and trade capability questions to keep specifications, methods, samples, substitutions, and supplier evidence comparable.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 15, 2026Jul 15, 2026Jul 21, 2026
Next review dueJul 15, 2027Jul 15, 2027Jan 17, 2027
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