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| Decision field | Free downloadSeamly2DGlobalRemove | Open accessMaterial Sourcing RequestGlobalRemove |
|---|---|---|
| Decision fit | ||
| Primary job | Find patterns & fit | Choose materials |
| Also useful for | No additional job recorded | No additional job recorded |
| Area | Patterns & fit | Materials |
| Best for | Digital pattern drafting | Requesting comparable fabric, trim, or component offers |
| Know before using | 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. | The request does not set product-specific pass values, prove fitness or safety, validate claims, replace laboratory testing, or determine legal compliance. |
| Practical access | ||
| For | Both | Apparel brands |
| Location or jurisdiction | Global | Global |
| Access | Free download | Open access |
| Format | Software | Stitch Authority |
| Source type | Open-source project | Stitch Authority |
| Source and review | ||
| What the source establishes | 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. | The request uses official textile test-method scopes, labeling guidance, and trade capability questions to keep specifications, methods, samples, substitutions, and supplier evidence comparable. |
| Linked page reviewed | Jul 21, 2026 | Jul 15, 2026 |
| Next review due | Jan 17, 2027 | Jul 15, 2027 |
| Inspect | ||
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