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| Decision field | Open accessConstruction Classification & Callout Verification RecordGlobalRemove | Open accessCPSC Certificate eFilingUnited States · North AmericaRemove | Free downloadSeamly2DGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Source production | Check standards | Find patterns & fit |
| Area | Production | Standards | Patterns & fit |
| Best for | Using construction codes without treating classification as a machine setting, material assignment, supplier translation, or performance guarantee | Planning the current CPSC certificate-data handoff for regulated imports with the importer, finished-product certifier, customs broker, and entry records | Digital pattern drafting |
| Know before using | The record does not reproduce licensed code diagrams, verify a user's proposed code, authorize an ISO and ASTM crosswalk, select a construction, set stitch density or machine settings, prove supplier repeatability or performance, or replace the licensed standards and qualified construction, sewing, production, testing, safety, and quality review. | The portal does not decide whether a product requires certification, identify the correct rules or certificate data, classify an entry, replace the current 16 CFR part 1110 text, or reconcile a filing to an actual shipment. Effective dates and workflows differ by entry route; use current CPSC, CBP, customs, product-safety, and legal review. | 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. |
| Practical access | |||
| For | Apparel brands | Apparel brands | Both |
| Location or jurisdiction | Global | United States · North America | Global |
| Access | Open access | Open access | Free download |
| Format | Stitch Authority | Reference | Software |
| Source type | Stitch Authority | Government guidance | Open-source project |
| Source and review | |||
| What the source establishes | The guide cites the current public scopes and statuses of ISO 4915:1991, ISO 4916:1991, and ASTM D6193-16(2025), plus current seam-failure and seam-tensile methods; it keeps classification, translation, complete process definition, physical verification, and performance evidence separate. | CPSC operates the eFiling portal with role-specific importer, broker, applicability, Product Registry, regulated-product, laboratory, ACE, FAQ, video, and document-library routes. The certificate final rule took effect July 8, 2026 for covered non-FTZ products, with separate timing for covered FTZ entries. | 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. |
| Linked page reviewed | Jul 16, 2026 | Jul 16, 2026 | Jul 21, 2026 |
| Next review due | Jul 16, 2027 | Oct 14, 2026 | Jan 17, 2027 |
| Inspect | |||
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