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| Decision field | Open accessPattern Test Brief TemplateGlobalRemove | Open accessYarnSubGlobalRemove | Open accessFSC Certificate SearchGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Find patterns & fit | Choose materials | Check standards |
| Area | Patterns & fit | Yarn | Standards |
| Best for | Planning a sewing, knitting, or crochet pattern test | Replacing a discontinued or unavailable yarn | Checking chain-of-custody scope for paper packaging, hangtags, and printed materials |
| Know before using | The workflow is not a contract or quality certification; local legal duties and technical review may still apply. | A suggested match is a data-based shortlist, not proof that the yarn suits the pattern or maker. Yarn records can be incomplete or wrong, prices and availability vary by market, and the site uses affiliate links. Confirm the required gauge, total length, fibre behavior, construction, care, color, dye lot, accessibility, and seller terms, then make and assess a representative swatch before committing. | A valid certificate covers only its stated organization and scope; it does not prove that a specific packaging order carries an FSC claim or that every party and transaction is documented correctly. |
| Practical access | |||
| For | Both | Makers | Apparel brands |
| Location or jurisdiction | Global | Global | Global |
| Access | Open access | Open access | Open access |
| Format | Stitch Authority | Reference | Directory |
| Source type | Stitch Authority | First-party platform | Official registry |
| Source and review | |||
| What the source establishes | The linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface. | YarnSub's official FAQ says its matching software compares gauge, texture, yarn weight and density, fibre content, and fibre qualities such as drape and softness. Discontinued yarns remain searchable as starting points but are excluded from suggested replacements, and each yarn page provides a route to report source-data problems. | FSC Search provides current certificate and licensing records with organization, code, type, certification body, status, country, product category, and timestamped record details. |
| Linked page reviewed | Jul 15, 2026 | Jul 21, 2026 | Jul 15, 2026 |
| Next review due | Jul 15, 2027 | Jan 17, 2027 | Oct 13, 2026 |
| Inspect | |||
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