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Decision fieldOpen accessFreeSewingGlobalRemoveOpen accessCPSC Certificate eFilingUnited States · North AmericaRemoveOpen accessYarnSubGlobalRemovePaidPatternLab LondonGlobalRemove
Decision fit
Primary jobFind patterns & fitCheck standardsChoose materialsFind patterns & fit
AreaPatterns & fitStandardsYarnPatterns & fit
Best forCustom-fit home sewing patternsPlanning the current CPSC certificate-data handoff for regulated imports with the importer, finished-product certifier, customs broker, and entry recordsReplacing a discontinued or unavailable yarnGenerating an editable custom-measurement block
Know before usingA generated pattern is not independent fit evidence or a production-ready graded block. The result still depends on accurate measurements, the selected design and options, ease assumptions, fabric behavior, construction, and representative test garments. An account stores saved patterns and measurement sets, so review the platform's privacy terms before retaining personal measurements.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.A suggested match is a data-based shortlist, not proof that the yarn suits the pattern or maker. Yarn records can be incomplete or wrong, prices and availability vary by market, and the site uses affiliate links. Confirm the required gauge, total length, fibre behavior, construction, care, color, dye lot, accessibility, and seller terms, then make and assess a representative swatch before committing.A measurement-generated draft is a starting block, not independent evidence of body capture, comfort, mobility, balance, garment ease, or production fit. The result depends on measurement accuracy, supported ranges, formula assumptions, selected options, and output handling. Review the service's privacy terms before storing body data and sew a representative toile before design, grading, or production use.
Practical access
ForMakersApparel brandsMakersBoth
Location or jurisdictionGlobalUnited States · North AmericaGlobalGlobal
AccessOpen accessOpen accessOpen accessPaid
FormatSoftwareReferenceReferenceSoftware
Source typeOpen-source projectGovernment guidanceFirst-party platformFirst-party platform
Source and review
What the source establishesFreeSewing's official documentation says the browser editor drafts a selected design in real time from a measurement set rather than scaling or grading a standard-size pattern. Users can adjust design options and export the generated result, including as PDF; saving the pattern to an account is optional and is used to revisit it later.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.YarnSub's official FAQ says its matching software compares gauge, texture, yarn weight and density, fibre content, and fibre qualities such as drape and softness. Discontinued yarns remain searchable as starting points but are excluded from suggested replacements, and each yarn page provides a route to report source-data problems.PatternLab London's current drafting page says a user creates a measurement profile, selects a basic block or sloper, adjusts fit, dart placement, length, seam allowance, and sleeve options, then downloads the generated result as tiled PDF, AI, or SVG. The live catalogue names bodice, dress, trouser, and stretch blocks and displays a price before purchase.
Linked page reviewedJul 21, 2026Jul 16, 2026Jul 21, 2026Jul 21, 2026
Next review dueJan 17, 2027Oct 14, 2026Jan 17, 2027Jan 17, 2027
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