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| Decision field | Free downloadSeamly2DGlobalRemove | Open accessGOTS Certified SuppliersGlobalRemove | Open accessGarment POM Definition & Verification RecordGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Find patterns & fit | Check standards | Source production |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Patterns & fit | Materials | Production |
| Best for | Digital pattern drafting | Checking GOTS certification records | Turning an ambiguous POM name, code, or diagram into a reproducible method before setting targets, tolerances, or inspection decisions |
| 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. | The record does not reproduce licensed ISO measurement drawings, supply universal POM codes or targets, approve an internal method, prove measurement capability or product fit, or replace qualified technical-design, pattern, fit, quality, metrology, safety, and regulatory review. |
| Practical access | |||
| For | Both | Apparel brands | Apparel brands |
| Location or jurisdiction | Global | Global | Global |
| Access | Free download | Open access | Open access |
| Format | Software | Directory | Stitch Authority |
| Source type | Open-source project | Official registry | 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 official GOTS search exposes certified entities by country, field of operation, product category, and certification detail, including processing and trading scopes. | The guide cites current ISO garment-measurement, body-measurement, and textile-conditioning standards plus NIST measurement-process guidance for repeatability and reproducibility; it requires organization-specific codes, added points, targets, and tolerances to remain explicitly controlled. |
| Linked page reviewed | Jul 21, 2026 | Jul 15, 2026 | Jul 16, 2026 |
| Next review due | Jan 17, 2027 | Oct 13, 2026 | Jul 16, 2027 |
| Inspect | |||
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