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| Decision field | Free downloadSeamly2DGlobalRemove | Open accessGOTS Certified SuppliersGlobalRemove |
|---|---|---|
| Decision fit | ||
| Primary job | Find patterns & fit | Check standards |
| Area | Patterns & fit | Materials |
| Best for | Digital pattern drafting | Checking GOTS certification records |
| 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. | A company result is not a blanket approval; confirm the certificate scope, validity, facility, process, product, and transaction documentation for the exact purchase. |
| Practical access | ||
| For | Both | Apparel brands |
| Location or jurisdiction | Global | Global |
| Access | Free download | Open access |
| Format | Software | Directory |
| Source type | Open-source project | Official registry |
| 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 official GOTS search exposes certified entities by country, field of operation, product category, and certification detail, including processing and trading scopes. |
| Linked page reviewed | Jul 21, 2026 | Jul 15, 2026 |
| Next review due | Jan 17, 2027 | Oct 13, 2026 |
| Inspect | ||
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