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| Decision field | Open accessFabric Purchase PlannerGlobalRemove | Free + paidPattern TestersGlobalRemove | Open accessGOTS Certified SuppliersGlobalRemove | Free accountThreadloop Sewing Pattern DatabaseGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Choose materials | Find patterns & fit | Check standards | Find patterns & fit |
| Area | Materials | Patterns & fit | Materials | Patterns & fit |
| Best for | Documenting how a pattern-based fabric quantity becomes an order length | Coordinating an independent sewing-pattern test | Checking GOTS certification records | Searching current and out-of-print sewing patterns |
| Know before using | The planner adds and rounds user-entered lengths; it does not create a cutting layout, infer shrinkage or matching allowances, compensate for a width change, establish usable width, or prove that the order quantity is sufficient. | The interface and plan description do not prove tester reach, completion, feedback quality, fit validity, export quality, uptime, support, or suitability for an established release process. Measurements and photos can be sensitive personal data. Run a non-critical pilot, review the current privacy and service terms, define consent and photo rights, test exports and deletion, and keep pattern approval and release responsibility with the designer. | A company result is not a blanket approval; confirm the certificate scope, validity, facility, process, product, and transaction documentation for the exact purchase. | 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 | Makers | Apparel brands | Apparel brands | Makers |
| Location or jurisdiction | Global | Global | Global | Global |
| Access | Open access | Free + paid | Open access | Free account |
| Format | Stitch Authority | Software | Directory | Community |
| Source type | Stitch Authority | First-party platform | Official registry | Community database |
| Source and review | ||||
| What the source establishes | NIST defines 1 yard as exactly 0.9144 metre. Sewing & Craft Alliance guidance ties an applicable cutting layout to the exact view, size, fabric width, and nap condition and recommends layout work when listed conditions do not fit the project. | Pattern Testers currently offers application intake, tester selection, feedback, photos, approvals, issue tracking, revisions, a reusable tester directory, and release deadlines. The public pricing page shows a limited free plan and paid Pro and Business tiers. Its June 2026 privacy policy lists names, email addresses, measurements, photos, feedback, application history, and assignments among the data processed. | The official GOTS search exposes certified entities by country, field of operation, product category, and certification detail, including processing and trading scopes. | 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 21, 2026 | Jul 15, 2026 | Jul 21, 2026 |
| Next review due | Jul 16, 2027 | Jan 17, 2027 | Oct 13, 2026 | Jan 17, 2027 |
| Inspect | ||||
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