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| Decision field | Open accessCPSC Certificate eFilingUnited States · North AmericaRemove | Open accessSwatch-to-Area Yarn EstimatorGlobalRemove | Open accessPattern Grading & Size-Run Validation RecordGlobalRemove | Free + paidPatternReviewGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Check standards | Choose materials | Find patterns & fit | Find patterns & fit |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Standards | Yarn | Patterns & fit | Patterns & fit |
| Best for | Planning the current CPSC certificate-data handoff for regulated imports with the importer, finished-product certifier, customs broker, and entry records | Documenting a bounded sample-to-area yarn calculation when the equivalent area is already known and genuinely comparable with the sample | Auditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidence | Finding member reports about a named sewing pattern |
| Know before using | 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. | The worksheet does not establish that a sample represents a project, derive the area of shaped pieces, account for construction or openings, prescribe reserve, supply typical project quantities, round to packages, verify label values, guarantee required quantity, check dye-lot supply, or replace a tested pattern amount. Yarn, tool, maker, strand count, stitch or texture, density, treatment, finishing, planned area, and supply decisions remain project-specific. | 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. | PatternReview combines community reports, membership, education, advertising, and retail, so it is not a neutral or complete pattern index. Reviews are individual experiences rather than standardized fit tests. Confirm the exact pattern version, size range, measurements, fabric, format, errata, licence, seller terms, and current availability with the designer or publisher. Paid catalogue and search features do not establish an export route or continued access after membership ends. |
| Practical access | ||||
| For | Apparel brands | Makers | Apparel brands | Makers |
| Location or jurisdiction | United States · North America | Global | Global | Global |
| Access | Open access | Open access | Open access | Free + paid |
| Format | Reference | Stitch Authority | Stitch Authority | Community |
| Source type | Government guidance | Stitch Authority | Stitch Authority | Community database |
| Account, payment, and exit | ||||
| Access scope | Not yet reviewed at this level. | Not yet reviewed at this level. | Not yet reviewed at this level. | Sewer reading community pattern reports, participating in discussions, or keeping a personal pattern catalogue and wishlist. |
| Before an account | Not yet reviewed at this level. | Not yet reviewed at this level. | Not yet reviewed at this level. | Browse recent pattern reviews, the review gallery, shop, classes, blog, and public help pages without creating an account. |
| Free-account boundary | Not yet reviewed at this level. | Not yet reviewed at this level. | Not yet reviewed at this level. | Free membership requires email activation. The account FAQ says most participation and member-only areas require sign-in. |
| Payment boundary | Not yet reviewed at this level. | Not yet reviewed at this level. | Not yet reviewed at this level. | Friends of PR costs $34.95 per year and adds advanced search, a personal pattern catalogue and wishlist, bookmarks, classifieds, discounts, and other features. |
| Cancellation or exit | Not yet reviewed at this level. | Not yet reviewed at this level. | Not yet reviewed at this level. | Friends of PR recurs on its plan cycle. The account FAQ says an advance email includes cancellation instructions and also publishes an email cancellation route. |
| Saved work and data | Not yet reviewed at this level. | Not yet reviewed at this level. | Not yet reviewed at this level. | Paid tools can hold a pattern catalogue, wishlist, bookmarks, and photos, but the checked pages do not establish a complete export or post-membership retention route. Keep critical records elsewhere. |
| Source and review | ||||
| What the source establishes | 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 worksheet performs visible proportional arithmetic on user-entered sample dimensions, sample yarn length or weight-derived length, equivalent area, and optional reserve. Craft Yarn Council pattern-writing guidance says yarn amounts and package counts should be recorded in instructions, and its consumer guidance ties project instructions to a stated yarn amount and representative gauge; those sources do not establish a universal sample-to-area method, project range, or reserve. NIST defines 1 yard as exactly 0.9144 metre for the secondary unit display. | 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. | PatternReview's current site exposes recent pattern, sewing-machine, and store reviews, forums, contests, classes, classifieds, a pattern shop, and a searchable review gallery. Its account FAQ says most participation requires a free activated account. Friends of PR adds advanced search, a personal pattern catalogue and wishlist, bookmarks, classifieds, a photo album, discounts, and other features through a recurring paid membership with a published email cancellation route. |
| Linked page reviewed | Jul 16, 2026 | Jul 28, 2026 | Jul 27, 2026 | Jul 28, 2026 |
| Next review due | Oct 14, 2026 | Jul 28, 2027 | Jul 27, 2027 | Jan 24, 2027 |
| Inspect | ||||
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