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Decision fieldOpen accessNMSU Pattern Alteration GuideUnited States · North AmericaRemoveOpen accessAIC Find a ProfessionalUnited States · North AmericaRemove
Decision fit
Primary jobFind patterns & fitRepair & conserve
AreaPatterns & fitTechniques & repair
Best forChecking a common flat-pattern alteration methodFinding professional textile or costume conservation help in the United States
Know before usingThe 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.The directory is opt-in and excludes qualified people who do not list; designation does not guarantee availability, price, or suitability for a specific object or treatment.
Practical access
ForMakersBoth
Location or jurisdictionUnited States · North AmericaUnited States · North America
AccessOpen accessOpen access
FormatReferenceDirectory
Source typeGovernment guidanceIndustry organization
Source and review
What the source establishesNew 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.AIC says listed Professional Members complete a peer-reviewed application and may be searched by specialty, material, service, location, or name.
Linked page reviewedJul 21, 2026Jul 16, 2026
Next review dueOct 19, 2026Jan 12, 2027
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