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| Decision field | Open accessApparel Grade-Rule & Size-Run Validation RecordGlobalRemove | Free accountThreadloop Sewing Pattern DatabaseGlobalRemove | Open accessHKTDC Textile Supplier SearchHong Kong · East AsiaRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Find patterns & fit | Find patterns & fit | Source production |
| Area | Patterns & fit | Patterns & fit | Production |
| Best for | Auditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidence | Searching current and out-of-print sewing patterns | Searching a broad East Asian and international supplier pool while keeping company location, factory location, business role, and certification claims separate |
| Know before using | The record does not create a production grade, supply universal increments or breakpoints, validate a CAD file or fit population, reproduce licensed standards, or replace qualified anthropometric, pattern, technical-design, fit, quality, accessibility, safety, statistical, and user-research review. | 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 platform accepts supplier participation and includes commercial discovery features. A result or platform label is not Stitch Authority qualification and does not prove identity, factory control, capability, capacity, minimums, quality, certification validity, labor conditions, or fit. Messaging may require an account. |
| Practical access | |||
| For | Apparel brands | Makers | Apparel brands |
| Location or jurisdiction | Global | Global | Hong Kong · East Asia |
| Access | Open access | Free account | Open access |
| Format | Stitch Authority | Community | Marketplace |
| Source type | Stitch Authority | Community database | First-party platform |
| Source and review | |||
| What the source establishes | The guide cites current ISO body-table, size-designation, and garment-measurement boundaries plus two peer-reviewed studies that tested the relationship between conventional grade rules, anthropometric evidence, and garment fit; it requires product-specific target deltas and validation instead of publishing universal increments. | 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 current supplier search exposes textile categories and separate filters for supplier type, country or region, factory location, nature of business, and company certification; public search results are visible before inquiry. |
| Linked page reviewed | Jul 16, 2026 | Jul 21, 2026 | Jul 16, 2026 |
| Next review due | Jul 16, 2027 | Jan 17, 2027 | Jan 12, 2027 |
| Inspect | |||
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