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| Decision field | Open accessFreeSewingGlobalRemove | Open accessYarn Database EU Dyers and MakersEuropean UnionRemove | Open accessConstruction Classification & Callout Verification RecordGlobalRemove | Open accessYarnSubGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Find patterns & fit | Choose materials | Source production | Choose materials |
| Area | Patterns & fit | Yarn | Production | Yarn |
| Best for | Custom-fit home 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 | Replacing a discontinued or unavailable yarn |
| Know before using | A generated pattern is not independent fit evidence or a production-ready graded block. The result still depends on accurate measurements, the selected design and options, ease assumptions, fabric behavior, construction, and representative test garments. An account stores saved patterns and measurement sets, so review the platform's privacy terms before retaining personal measurements. | 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. | A suggested match is a data-based shortlist, not proof that the yarn suits the pattern or maker. Yarn records can be incomplete or wrong, prices and availability vary by market, and the site uses affiliate links. Confirm the required gauge, total length, fibre behavior, construction, care, color, dye lot, accessibility, and seller terms, then make and assess a representative swatch before committing. |
| Practical access | ||||
| For | Makers | Makers | Apparel brands | Makers |
| Location or jurisdiction | Global | European Union | Global | Global |
| Access | Open access | Open access | Open access | Open access |
| Format | Software | Directory | Stitch Authority | Reference |
| Source type | Open-source project | Community database | Stitch Authority | First-party platform |
| Source and review | ||||
| What the source establishes | FreeSewing's official documentation says the browser editor drafts a selected design in real time from a measurement set rather than scaling or grading a standard-size pattern. Users can adjust design options and export the generated result, including as PDF; saving the pattern to an account is optional and is used to revisit it later. | 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. | YarnSub's official FAQ says its matching software compares gauge, texture, yarn weight and density, fibre content, and fibre qualities such as drape and softness. Discontinued yarns remain searchable as starting points but are excluded from suggested replacements, and each yarn page provides a route to report source-data problems. |
| Linked page reviewed | Jul 21, 2026 | Jul 15, 2026 | Jul 16, 2026 | Jul 21, 2026 |
| Next review due | Jan 17, 2027 | Jan 11, 2027 | Jul 16, 2027 | Jan 17, 2027 |
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