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| Decision field | Open accessHook & Needle Diameter ReferenceGlobalRemove | Open accessYarn Database EU Dyers and MakersEuropean UnionRemove | Free accountThreadloop Sewing Pattern DatabaseGlobalRemove | Free downloadAFIRM Restricted Substances ListGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Learn techniques | Choose materials | Find patterns & fit | Check standards |
| Area | Yarn | Yarn | Patterns & fit | Standards |
| Best for | Checking which U.S. alias the current Craft Yarn Council table gives a known metric package size before confirming project gauge | Finding independent EU yarn or fibre dyers with off-Ravelry purchase routes | Searching current and out-of-print sewing patterns | Building a product chemical-restriction baseline |
| Know before using | The reference is not a dimensional measurement, manufacturer inspection, UK or Canadian conversion, steel-hook chart, tool recommendation, yarn assignment, gauge result, or proof that a proposed tool will produce the required fabric. | 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. | Community members add and quality-control the records, so confirm sizing, measurements, fabric suggestions, format, availability, errata, license, and purchase terms with the designer or publisher. Adding an entry to a stash does not provide the pattern files. Saved searches and private PDF storage are paid Plus features, and a listing or review does not establish pattern accuracy or fit. | AFIRM states that its list is guidance, not legal advice, an industry standard of care, or a guarantee of completeness or brand acceptance. It does not replace current law, a customer's stricter RSL, manufacturing-input controls, a product-specific risk and sampling plan, accepted laboratory methods, supplier controls, or performance and safety testing. |
| Practical access | ||||
| For | Makers | Makers | Makers | Apparel brands |
| Location or jurisdiction | Global | European Union | Global | Global |
| Access | Open access | Open access | Free account | Free download |
| Format | Stitch Authority | Directory | Community | Reference |
| Source type | Stitch Authority | Community database | Community database | Industry organization |
| Source and review | ||||
| What the source establishes | The lookup reproduces the current public Craft Yarn Council metric and U.S. alias rows and follows the Council's warning that company letter and number labels vary; blank aliases remain blank instead of being inferred. | 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. | Threadloop's official guide describes an independent, fully crowdsourced database covering available and out-of-print sewing patterns. Its search supports pattern type, fabric type, age group, body type, cup size, level, format, file features, language, measurements, availability, and other filters; members can also track a stash, wishlist, projects, reviews, and discussions. | AFIRM publishes a 2026 multilingual Restricted Substances List for chemicals in finished apparel, footwear, accessories, and related materials, with a material-specific testing matrix. Its FAQ says the list does not cover product-performance testing, distinguishes the finished-product RSL from manufacturing-input lists, and tells suppliers to check each customer's brand-specific requirements and testing acceptance. |
| Linked page reviewed | Jul 16, 2026 | Jul 15, 2026 | Jul 21, 2026 | Jul 21, 2026 |
| Next review due | Jul 16, 2027 | Jan 11, 2027 | Jan 17, 2027 | Oct 19, 2026 |
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