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| Decision field | Free accountThreadloop Sewing Pattern DatabaseGlobalRemove | Open accessYarn Substitution PlannerGlobalRemove | Open accessGOTS Certified SuppliersGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Find patterns & fit | Choose materials | Check standards |
| Area | Patterns & fit | Yarn | Materials |
| Best for | Searching current and out-of-print sewing patterns | Turning a known project length and candidate package size into a transparent buying estimate while keeping specimen, finished-fabric, care, and supply decisions separate | Checking GOTS certification records |
| Know before using | 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. | The tool does not verify label values, convert between metres and yards, identify fibre or yarn diameter, assign a yarn-weight category, predict gauge or fabric, prescribe reserve, guarantee required quantity, check dye-lot supply, score candidates, or approve a substitution. A representative treated specimen and project-specific fabric, care, wear, comfort, supply, and quantity review remain required. | A company result is not a blanket approval; confirm the certificate scope, validity, facility, process, product, and transaction documentation for the exact purchase. |
| Practical access | |||
| For | Makers | Makers | Apparel brands |
| Location or jurisdiction | Global | Global | Global |
| Access | Free account | Open access | Open access |
| Format | Community | Stitch Authority | Directory |
| Source type | Community database | Stitch Authority | Official registry |
| Source and review | |||
| What the source establishes | 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 planner performs visible arithmetic only on user-entered project length, reserve, package length, package mass, and price. Its connected source-reviewed guide cites the current Craft Yarn Council category, FAQ, WPI, and hook-and-needle guidance plus ASTM and ISO linear-density sources, and explicitly separates label comparison from substitution approval. | The official GOTS search exposes certified entities by country, field of operation, product category, and certification detail, including processing and trading scopes. |
| Linked page reviewed | Jul 21, 2026 | Jul 16, 2026 | Jul 15, 2026 |
| Next review due | Jan 17, 2027 | Jul 16, 2027 | Oct 13, 2026 |
| Inspect | |||
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