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| Decision field | Free accountThreadloop Sewing Pattern DatabaseGlobalRemove | Open accessSeam Allowance ConverterGlobalRemove | Open accessGOTS Certified SuppliersGlobalRemove | Free accountFOURSOURCE Supplier NetworkGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Find patterns & fit | Find patterns & fit | Check standards | Source production |
| Area | Patterns & fit | Patterns & fit | Materials | Production |
| Best for | Searching current and out-of-print sewing patterns | Working between pattern systems | Checking GOTS certification records | Searching global apparel and textile production capabilities |
| 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. | A unit reference; the correct allowance depends on material, seam type, and production method. | A company result is not a blanket approval; confirm the certificate scope, validity, facility, process, product, and transaction documentation for the exact purchase. | 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. |
| Practical access | ||||
| For | Makers | Both | Apparel brands | Apparel brands |
| Location or jurisdiction | Global | Global | Global | Global |
| Access | Free account | Open access | Open access | Free account |
| Format | Community | Stitch Authority | Directory | Marketplace |
| Source type | Community database | Stitch Authority | Official registry | Commercial marketplace |
| 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 linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface. | The official GOTS search exposes certified entities by country, field of operation, product category, and certification detail, including processing and trading scopes. | 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. |
| Linked page reviewed | Jul 21, 2026 | Jul 15, 2026 | Jul 15, 2026 | Jul 21, 2026 |
| Next review due | Jan 17, 2027 | Jul 15, 2027 | Oct 13, 2026 | Jan 17, 2027 |
| Inspect | ||||
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