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| Decision field | Open accessKnittyGlobalRemove | Open accessConstruction Classification & Callout Verification RecordGlobalRemove | Open accessYarn Database EU Dyers and MakersEuropean UnionRemove | Quote-basedMaterial ExchangeGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Find patterns & fit | Source production | Choose materials | Choose materials |
| Area | Yarn | Production | Yarn | Materials |
| Best for | Free editorial knitting patterns and techniques | Using construction codes without treating classification as a machine setting, material assignment, supplier translation, or performance guarantee | Finding independent EU yarn or fibre dyers with off-Ravelry purchase routes | Structured material sourcing across teams |
| Know before using | Free access does not grant commercial reproduction or sale rights; uses beyond one personal copy must be resolved with the designer or author. Knitty says it tries to avoid errors but disclaims responsibility for pattern and technique inaccuracies. Check the live page for corrections, verify gauge and measurements, and confirm permission before any commercial use. | The record does not reproduce licensed code diagrams, verify a user's proposed code, authorize an ISO and ASTM crosswalk, select a construction, set stitch density or machine settings, prove supplier repeatability or performance, or replace the licensed standards and qualified construction, sewing, production, testing, safety, and quality review. | It is one curator's intentionally selective, off-Ravelry-oriented database, inventories change, and paid supporters can receive rotating priority placement; verify availability, fibre claims, shipping, and terms directly. | Supplier content, uploaded certificates, and AI suggestions are leads, not independent verification. Public brand pricing and full access are not stated on the main page. Verify material identity and performance, certificate issuer and validity, supplier capability, samples, price, availability, commercial terms, data permissions, and any AI output before a sourcing decision. |
| Practical access | ||||
| For | Makers | Apparel brands | Makers | Apparel brands |
| Location or jurisdiction | Global | Global | European Union | Global |
| Access | Open access | Open access | Open access | Quote-based |
| Format | Reference | Stitch Authority | Directory | Software |
| Source type | First-party platform | Stitch Authority | Community database | First-party platform |
| Source and review | ||||
| What the source establishes | Knitty currently publishes web-only editorial issues containing original knitting and crochet patterns and articles. Its legal page states that patterns are free for one person's personal use, identifies each designer or author as the copyright holder, and explains that verified pattern corrections are posted in bright pink on the pattern page. | The guide cites the current public scopes and statuses of ISO 4915:1991, ISO 4916:1991, and ASTM D6193-16(2025), plus current seam-failure and seam-tensile methods; it keeps classification, translation, complete process definition, physical verification, and performance evidence separate. | The individually researched database offers free listings and sortable yarn, fibre, designer, editor, accessory, and location views; the EU page spans multiple countries and direct seller profiles. | Material Exchange's current terms describe a business-to-business sourcing hub that connects brands and suppliers for AI-assisted material discovery, sample requests, bulk inquiries, negotiation, and collaboration. Suppliers upload product descriptions, availability, pricing, and certificates. The terms state that the platform cannot verify certificate accuracy and that AI results may be imperfect. |
| Linked page reviewed | Jul 21, 2026 | Jul 16, 2026 | Jul 15, 2026 | Jul 21, 2026 |
| Next review due | Jan 17, 2027 | Jul 16, 2027 | Jan 11, 2027 | Jan 17, 2027 |
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