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| Decision field | Open accessApparel Grade-Rule & Size-Run Validation RecordGlobalRemove | Open accessCFDA Production DirectoryUnited States · North AmericaRemove | Free downloadSeamly2DGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Find patterns & fit | Source production | Find patterns & fit |
| Area | Patterns & fit | Production | Patterns & fit |
| Best for | Auditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidence | Building a US manufacturer shortlist | Digital pattern drafting |
| 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. | CFDA states that it collects basic business information but does not audit, certify, or monitor the listed facilities, and that inclusion is not endorsement, recommendation, a quality guarantee, or CFDA membership. Verify identity, ownership, capabilities, materials, equipment, minimums, capacity, price, lead time, quality systems, labor and environmental practices, compliance, references, contracts, and product fit directly before selection. | Patternmaking knowledge, controlled measurement files, production conventions, and sewn fit testing are still required. The software does not validate body measurements, ease, balance, grading rules, fabric behavior, construction, or product fit. The project currently labels its user wiki manual as needing updates, so confirm current commands and file behavior against the installed release and active support channels. |
| Practical access | |||
| For | Apparel brands | Apparel brands | Both |
| Location or jurisdiction | Global | United States · North America | Global |
| Access | Open access | Open access | Free download |
| Format | Stitch Authority | Directory | Software |
| Source type | Stitch Authority | Industry organization | Open-source project |
| 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. | CFDA publishes this as an open-access directory of United States fashion contract manufacturers with no registration required. The page supports sorting by service, product, category, and sample or production minimums and publishes an email route for manufacturers to add, update, or remove a listing. | The maintained Seamly2D repository identifies the application as GPLv3+ open-source patternmaking software for Windows, macOS, and Linux. It reads multi-size measurement files for standardized sizes and individual measurement files for custom-fit work, publishes downloadable builds and releases, and links an active website and user forum. |
| Linked page reviewed | Jul 16, 2026 | Jul 21, 2026 | Jul 21, 2026 |
| Next review due | Jul 16, 2027 | Jan 17, 2027 | Jan 17, 2027 |
| Inspect | |||
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