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Compare textile resources.
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| Decision field | Free downloadSeamly2DGlobalRemove | Open accessGOTS Certified SuppliersGlobalRemove | Open accessTech Pack Release & Change-Control 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 | Building and releasing a tech pack without silent defaults, duplicate sources, or ambiguous final files |
| 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 create product specifications, prove fit or manufacturability, select materials or construction settings, establish legal compliance, reproduce licensed standards, or replace qualified technical, production, quality, testing, sourcing, logistics, safety, compliance, and legal 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 published ISO documented-information, garment-measurement, stitch, and seam sources plus current U.S. FTC textile and care-labeling guidance; it discloses ISO 10013:2021's current review stage, and its working record makes organization-specific requirements, suppliers, evidence, issues, and approvals explicit. |
| Linked page reviewed | Jul 21, 2026 | Jul 15, 2026 | Jul 27, 2026 |
| Next review due | Jan 17, 2027 | Oct 13, 2026 | Jul 27, 2027 |
| Inspect | |||
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