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| Decision field | Free accountFOURSOURCE Supplier NetworkGlobalRemove | Free accountThreadloop Sewing Pattern DatabaseGlobalRemove | Open accessYarn Database EU Dyers and MakersEuropean UnionRemove | Open accessConstruction Classification & Callout Verification RecordGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Source production | Find patterns & fit | Choose materials | Source production |
| Area | Production | Patterns & fit | Yarn | Production |
| Best for | Searching global apparel and textile production capabilities | Searching current and out-of-print sewing patterns | Finding independent EU yarn or fibre dyers with off-Ravelry purchase routes | Using construction codes without treating classification as a machine setting, material assignment, supplier translation, or performance guarantee |
| Know before using | The company count is a changing platform claim. Search fields, profiles, certificates, locations, and account access do not independently verify the legal entity, factory ownership, capability, capacity, certificate validity or scope, compliance performance, delivery, or project fit. Confirm the site and subcontracting, credentials with issuers, samples, audits when appropriate, specifications, contracts, and commercial terms. | 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. | 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. | 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. |
| Practical access | ||||
| For | Apparel brands | Makers | Makers | Apparel brands |
| Location or jurisdiction | Global | Global | European Union | Global |
| Access | Free account | Free account | Open access | Open access |
| Format | Marketplace | Community | Directory | Stitch Authority |
| Source type | Commercial marketplace | Community database | Community database | Stitch Authority |
| Source and review | ||||
| What the source establishes | FOURSOURCE's current public network page presents an operator-reported global company count and country or territory search. It says logged-in users can narrow results by compliance certificates, product groups, fabric types, target groups, minimum order quantities, and other fields, with a free-trial and supplier sign-up route. | 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. | 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. | 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. |
| Linked page reviewed | Jul 21, 2026 | Jul 21, 2026 | Jul 15, 2026 | Jul 16, 2026 |
| Next review due | Jan 17, 2027 | Jan 17, 2027 | Jan 11, 2027 | Jul 16, 2027 |
| Inspect | ||||
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