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| Decision field | Open accessNMSU Pattern Alteration GuideUnited States · North AmericaRemove | Open accessWRAP Certified FacilitiesGlobalRemove |
|---|---|---|
| Decision fit | ||
| Primary job | Find patterns & fit | Check standards |
| Also useful for | No additional job recorded | No additional job recorded |
| Area | Patterns & fit | Production |
| Best for | Checking a common flat-pattern alteration method | Checking a named facility's current WRAP certification or discovering listed production units |
| Know before using | The guide's general womenswear diagrams and ease ranges are teaching examples, not an individual diagnosis, current commercial-pattern specification, or complete fitting course. A named symptom can have several causes, and alterations may affect adjoining seams, facings, collars, sleeves, balance, and style. Verify the method against the exact pattern and test the coordinated changes on a muslin. | A listed facility and its certification status do not establish product quality, capacity, availability, upstream coverage, whole-chain performance, buyer fit, or the scope and result of a particular order. Confirm the exact legal entity and production unit, current certificate and scope, product and process capability, capacity, monitoring evidence, corrective actions, references, and commercial terms directly. |
| Practical access | ||
| For | Makers | Apparel brands |
| Location or jurisdiction | United States · North America | Global |
| Access | Open access | Open access |
| Format | Reference | Directory |
| Source type | Government guidance | Official registry |
| Source and review | ||
| What the source establishes | New Mexico State University's current Cooperative Extension Guide C-228 explains three alteration methods, folding out fullness, slashing and spreading or overlapping, and redrawing darts or seams. It provides illustrated bodice, sleeve, skirt, and trouser examples and tells readers to compare body measurements plus intended ease with the pattern while preserving grain, design lines, related-piece changes, and comfort ease. | WRAP states that thousands of WRAP-certified facilities operate worldwide and that buyers can use the public route to verify a named factory's certification or find certified manufacturers for apparel, footwear, sewn and leather goods, textiles, and related products. The page exposes certified facilities and monitoring firms as separate routes. |
| Linked page reviewed | Jul 21, 2026 | Jul 28, 2026 |
| Next review due | Oct 19, 2026 | Oct 26, 2026 |
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