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Compare textile resources.
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| Decision field | Free downloadbluesign System Partner ListsGlobalRemove | Free + paidPattern TestersGlobalRemove | Open accessKnitting Needle to Crochet Hook Size ChartGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Check standards | Find patterns & fit | Learn techniques |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Materials | Patterns & fit | Yarn |
| Best for | Checking whether a named organization appears on the dated bluesign System Partner List before verifying the exact facility, product, material, process, chemical, or claim route | Coordinating an independent sewing-pattern test | Finding the current CYC hook and needle aliases that share one known nominal metric diameter before confirming project gauge |
| Know before using | A named organization on a dated partner list does not establish the exact legal entity or facility in scope, current status after the list date, product qualification, approved chemical article, process coverage, testing, delivery, performance, commercial fit, or permission for a particular claim or label. Use the separate current product, textile, chemical, criteria, and claim route that matches the decision. | The interface and plan description do not prove tester reach, completion, feedback quality, fit validity, export quality, uptime, support, or suitability for an established release process. Measurements and photos can be sensitive personal data. Run a non-critical pilot, review the current privacy and service terms, define consent and photo rights, test exports and deletion, and keep pattern approval and release responsibility with the designer. | A shared nominal diameter does not make a knitting needle and crochet hook interchangeable or predict equal gauge or fabric. The reference is not a physical measurement, manufacturer inspection, UK or Canadian conversion, steel-hook chart, tool recommendation, yarn assignment, or project approval. |
| Practical access | |||
| For | Apparel brands | Apparel brands | Makers |
| Location or jurisdiction | Global | Global | Global |
| Access | Free download | Free + paid | Open access |
| Format | Directory | Software | Stitch Authority |
| Source type | Official registry | First-party platform | Stitch Authority |
| Source and review | |||
| What the source establishes | bluesign's current downloads page links general and brand-specific System Partner lists dated July 1, 2026. The general list separates brands and retailers, chemical suppliers, and manufacturers. The same official page routes product verification, the Textiles Guide, the Chemical Finder, criteria, and bluepass label and claim guidance as distinct checks. | Pattern Testers currently offers application intake, tester selection, feedback, photos, approvals, issue tracking, revisions, a reusable tester directory, and release deadlines. The public pricing page shows a limited free plan and paid Pro and Business tiers. Its June 2026 privacy policy lists names, email addresses, measurements, photos, feedback, application history, and assignments among the data processed. | Rechecked July 28, 2026. The lookup reproduces the current public Craft Yarn Council metric and U.S. alias rows, aligns hooks and needles only when their nominal millimetre value matches, and leaves missing rows or aliases unfilled. |
| Linked page reviewed | Jul 28, 2026 | Jul 21, 2026 | Jul 28, 2026 |
| Next review due | Oct 26, 2026 | Jan 17, 2027 | Jul 28, 2027 |
| Inspect | |||
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