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| Decision field | Open accessConstruction Classification & Callout Verification RecordGlobalRemove | Open accessYarn Database EU Dyers and MakersEuropean UnionRemove | Free accountThreadloop Sewing Pattern DatabaseGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Source production | Choose materials | Find patterns & fit |
| Area | Production | Yarn | Patterns & fit |
| Best for | 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 | Searching current and out-of-print sewing patterns |
| Know before using | 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. | 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. |
| Practical access | |||
| For | Apparel brands | Makers | Makers |
| Location or jurisdiction | Global | European Union | Global |
| Access | Open access | Open access | Free account |
| Format | Stitch Authority | Directory | Community |
| Source type | Stitch Authority | Community database | Community database |
| Source and review | |||
| What the source establishes | 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. | 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. |
| Linked page reviewed | Jul 16, 2026 | Jul 15, 2026 | Jul 21, 2026 |
| Next review due | Jul 16, 2027 | Jan 11, 2027 | Jan 17, 2027 |
| Inspect | |||
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