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| Decision field | Open accessASDP Sewing Professional DirectoryUnited States · North AmericaRemove | Open accessPattern Grading & Size-Run Validation RecordGlobalRemove |
|---|---|---|
| Decision fit | ||
| Primary job | Source production | Find patterns & fit |
| Also useful for | Find patterns & fit | No additional job recorded |
| Area | Production | Patterns & fit |
| Best for | Finding a US sewing or patternmaking professional | Auditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidence |
| Know before using | This is a member referral directory, not a Stitch Authority roster or approval. The observed result count can change and is not a practitioner census. ASDP states that it makes no representations, warranties, or guarantees and assumes no responsibility for members' products or services. Membership, a code of ethics, a profile, a patternmaking category, or stated referral availability does not establish identity, credentials, experience, current availability, capacity, insurance, price, accessibility, workmanship, file compatibility, schedule, or project fit. Confirm those points, references, scope, samples, terms, and remedies directly. | 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. |
| Practical access | ||
| For | Both | Apparel brands |
| Location or jurisdiction | United States · North America | Global |
| Access | Open access | Open access |
| Format | Directory | Stitch Authority |
| Source type | Industry organization | Stitch Authority |
| Source and review | ||
| What the source establishes | ASDP's public directory searches members currently accepting referrals by location and professional specialty. At the July 26, 2026 check, its Patternmaking & Related Services filter returned 15 opted-in profiles with specialties, service-location text, profile or contact routes, and some remote-service notes. The page identifies the population as association members in good standing. | 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. |
| Linked page reviewed | Jul 26, 2026 | Jul 27, 2026 |
| Next review due | Jan 22, 2027 | Jul 27, 2027 |
| Inspect | ||
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