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| Decision field | Open accessTech Pack Definition, Contents & LimitsGlobalRemove | Open accessSewing Length ConverterGlobalRemove | Open accessNMSU Pattern Alteration GuideUnited States · North AmericaRemove | Free accountWoolmark Learning CentreGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Source production | Find patterns & fit | Find patterns & fit | Learn techniques |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Production | Patterns & fit | Patterns & fit | Techniques & repair |
| Best for | Understanding what a tech pack must control before using a template or releasing work | Translating a length already stated by a pattern, controlled specification, sewing tool, or seam allowance | Checking a common flat-pattern alteration method | Structured wool education |
| Know before using | 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. | This is a length-unit translation reference. It does not identify the measured feature; select, approve, or change a seam allowance; establish a universal fraction; interpret an unstated cutting or stitching line; or replace the exact pattern version, controlled specification, material and seam evidence, sample, production method, equipment, tolerance, or release authority. | 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. | This is Woolmark-operated education focused on wool, not a neutral comparison of all fibres or processing systems. A completion badge records coursework, not independent proof of production competence, product performance, environmental impact, or compliance. Confirm technical values and local requirements against current standards before production use. |
| Practical access | ||||
| For | Apparel brands | Both | Makers | Both |
| Location or jurisdiction | Global | Global | United States · North America | Global |
| Access | Open access | Open access | Open access | Free account |
| Format | Stitch Authority | Stitch Authority | Reference | Reference |
| Source type | Stitch Authority | Stitch Authority | Government guidance | Industry organization |
| Source and review | ||||
| What the source establishes | The guide cites published ISO sources for documented-information, garment-measurement, stitch, and seam boundaries plus current U.S. FTC textile and care-labeling guidance; it discloses that ISO 10013:2021's 2026 systematic review is at close-of-review stage and separates every cited authority from product-specific technical and market decisions. | NIST states that 10 millimetres equal 1 centimetre and that one inch is exactly 25.4 millimetres. The tool uses those relationships, displays rounded equivalents, exposes the size difference to the nearest 1/16 inch when converting to inches, and preserves valid value, source-unit, and target-unit state in the URL. | 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 current Woolmark Learning Centre library publishes free account-based coursework with module counts, completion times, progress tracking, knowledge checks, and supporting resources. Its wool programs cover fibre science, raw-wool and yarn processing, dyeing and finishing, woven textiles, knitwear, product quality, and wastewater management for learners and facilitators. |
| Linked page reviewed | Jul 27, 2026 | Jul 30, 2026 | Jul 21, 2026 | Jul 28, 2026 |
| Next review due | Jul 27, 2027 | Jul 30, 2027 | Oct 19, 2026 | Jan 24, 2027 |
| Inspect | ||||
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