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| Decision field | Open accessNMSU Pattern Alteration GuideUnited States · North AmericaRemove | Open accessControlled Tech Pack OrientationGlobalRemove | Open accessWRAP Certified FacilitiesGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Find patterns & fit | Source production | Check standards |
| Area | Patterns & fit | Production | Production |
| Best for | Checking a common flat-pattern alteration method | Understanding what a tech pack must control before using a template or releasing work | 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. | An orientation rather than a completed product record; it does not supply a universal format, licensed standard content, measurements, tolerances, construction settings, labels, approvals, compliance conclusion, or product-release authority. | The public map is opt-in and certification applies to an individual production unit; it does not establish product quality, capacity, availability, upstream coverage, or whole-chain performance. |
| Practical access | |||
| For | Makers | Apparel brands | Apparel brands |
| Location or jurisdiction | United States · North America | Global | Global |
| Access | Open access | Open access | Open access |
| Format | Reference | Stitch Authority | Directory |
| Source type | Government guidance | Stitch Authority | 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. | The guide cites current ISO sources for documented-information, garment-measurement, stitch, and seam boundaries plus current U.S. FTC textile and care-labeling guidance; it explicitly separates those authorities from product-specific technical and market decisions. | WRAP states that the map contains current certified production units worldwide and supports manufacturer discovery across apparel, footwear, sewn and leather goods, and textiles. |
| Linked page reviewed | Jul 21, 2026 | Jul 16, 2026 | Jul 15, 2026 |
| Next review due | Oct 19, 2026 | Jul 16, 2027 | Oct 13, 2026 |
| Inspect | |||
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