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Decision fieldFree accountSewportGlobalRemoveOpen accessSeam Allowance ConverterGlobalRemoveOpen accessApparel Grade-Rule & Size-Run Validation RecordGlobalRemove
Decision fit
Primary jobSource productionFind patterns & fitFind patterns & fit
AreaProductionPatterns & fitPatterns & fit
Best forRequesting apparel-production proposalsWorking between pattern systemsAuditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidence
Know before usingA profile, proposal, match, or escrow status does not establish factory ownership, identity, capacity, workmanship, quality systems, labour or chemical compliance, delivery performance, contract enforceability, or project fit. Verify the legal and production entities, references, site and subcontracting, samples, compliance evidence, specifications, terms, and remedies directly.A unit reference; the correct allowance depends on material, seam type, and production method.The record does not create a production grade, supply universal increments or breakpoints, validate a CAD file or fit population, reproduce licensed standards, or replace qualified anthropometric, pattern, technical-design, fit, quality, accessibility, safety, statistical, and user-research review.
Practical access
ForApparel brandsBothApparel brands
Location or jurisdictionGlobalGlobalGlobal
AccessFree accountOpen accessOpen access
FormatMarketplaceStitch AuthorityStitch Authority
Source typeCommercial marketplaceStitch AuthorityStitch Authority
Source and review
What the source establishesSewport's current brand workflow starts with an account and guided project enquiry, then exposes proposals from garment factories and production specialists. The platform tells brands to compare profiles, portfolios, location, price, and communication, then record service, delivery, payment, and contract terms in a formal proposal. Its service-provider workflow includes factories, sample studios, pattern cutters, tech-pack makers, sourcing specialists, and material suppliers, with optional split-payment escrow.The linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface.The guide cites current ISO body-table, size-designation, and garment-measurement boundaries plus two peer-reviewed studies that tested the relationship between conventional grade rules, anthropometric evidence, and garment fit; it requires product-specific target deltas and validation instead of publishing universal increments.
Linked page reviewedJul 21, 2026Jul 15, 2026Jul 16, 2026
Next review dueJan 17, 2027Jul 15, 2027Jul 16, 2027
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