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| Decision field | Open accessTech Pack Definition, Contents & LimitsGlobalRemove | Free downloadSeamly2DGlobalRemove | Open accessCAFTA-DR Textiles and Apparel DirectoryLatin America & CaribbeanRemove | Open accessPattern Grading & Size-Run Validation RecordGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Source production | Find patterns & fit | Source production | Find patterns & fit |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Production | Patterns & fit | Production | Patterns & fit |
| Best for | Understanding what a tech pack must control before using a template or releasing work | Digital pattern drafting | Nearshore supplier discovery in the CAFTA-DR region | Auditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidence |
| 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. | Patternmaking knowledge, controlled measurement files, production conventions, and sewn fit testing are still required. The software does not validate body measurements, ease, balance, grading rules, fabric behavior, construction, or product fit. The project currently labels its user wiki manual as needing updates, so confirm current commands and file behavior against the installed release and active support channels. | Regional inclusion and a company profile do not prove origin eligibility, available capacity, minimums, compliance, workmanship, or commercial fit. | 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 | ||||
| For | Apparel brands | Both | Apparel brands | Apparel brands |
| Location or jurisdiction | Global | Global | Latin America & Caribbean | Global |
| Access | Open access | Free download | Open access | Open access |
| Format | Stitch Authority | Software | Directory | Stitch Authority |
| Source type | Stitch Authority | Open-source project | First-party platform | Stitch Authority |
| 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. | The maintained Seamly2D repository identifies the application as GPLv3+ open-source patternmaking software for Windows, macOS, and Linux. It reads multi-size measurement files for standardized sizes and individual measurement files for custom-fit work, publishes downloadable builds and releases, and links an active website and user forum. | The ConnectAmericas-powered platform exposes a company directory for manufacturers, importers, and input suppliers plus purchasing notices and a knowledge center. | 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 reviewed | Jul 27, 2026 | Jul 21, 2026 | Jul 15, 2026 | Jul 27, 2026 |
| Next review due | Jul 27, 2027 | Jan 17, 2027 | Jan 11, 2027 | Jul 27, 2027 |
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