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Decision fieldOpen accessASDP Sewing Professional DirectoryUnited States · North AmericaRemoveFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveOpen accessNMSU Pattern Alteration GuideUnited States · North AmericaRemoveOpen accessGOTS Certified SuppliersGlobalRemove
Decision fit
Primary jobSource productionFind patterns & fitFind patterns & fitCheck standards
AreaProductionPatterns & fitPatterns & fitMaterials
Best forFinding a US sewing or patternmaking professionalSearching current and out-of-print sewing patternsChecking a common flat-pattern alteration methodChecking GOTS certification records
Know before usingThis is a member referral directory, not a Stitch Authority roster or approval. 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, or referral availability does not establish credentials, experience, capacity, insurance, price, accessibility, workmanship, schedule, or project fit. Check those points, references, scope, samples, terms, and remedies directly.Community members add and quality-control the records, so confirm sizing, measurements, fabric suggestions, format, availability, errata, license, and purchase terms with the designer or publisher. Adding an entry to a stash does not provide the pattern files. Saved searches and private PDF storage are paid Plus features, and a listing or review does not establish pattern accuracy or fit.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 company result is not a blanket approval; confirm the certificate scope, validity, facility, process, product, and transaction documentation for the exact purchase.
Practical access
ForBothMakersMakersApparel brands
Location or jurisdictionUnited States · North AmericaGlobalUnited States · North AmericaGlobal
AccessOpen accessFree accountOpen accessOpen access
FormatDirectoryCommunityReferenceDirectory
Source typeIndustry organizationCommunity databaseGovernment guidanceOfficial registry
Source and review
What the source establishesASDP's public directory searches members currently accepting referrals by location and professional specialty, including patternmakers, production sewers, designers, teachers, tailors, alteration specialists, and fabric or materials suppliers. A result opens a member profile and a contact action, and the page identifies the population as association members in good standing.Threadloop's official guide describes an independent, fully crowdsourced database covering available and out-of-print sewing patterns. Its search supports pattern type, fabric type, age group, body type, cup size, level, format, file features, language, measurements, availability, and other filters; members can also track a stash, wishlist, projects, reviews, and discussions.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 official GOTS search exposes certified entities by country, field of operation, product category, and certification detail, including processing and trading scopes.
Linked page reviewedJul 21, 2026Jul 21, 2026Jul 21, 2026Jul 15, 2026
Next review dueJan 17, 2027Jan 17, 2027Oct 19, 2026Oct 13, 2026
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