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Decision fieldOpen accessControlled Tech Pack OrientationGlobalRemoveOpen accessFabric Mass Unit ConverterGlobalRemoveFree + paidPattern TestersGlobalRemove
Decision fit
Primary jobSource productionChoose materialsFind patterns & fit
AreaProductionMaterialsPatterns & fit
Best forUnderstanding what a tech pack must control before using a template or releasing workTranslating the same fabric mass-per-area result between metric and U.S. customary listingsCoordinating an independent sewing-pattern test
Know before usingAn 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.The result is a numerical unit conversion, not a new measurement or conformance decision; it does not establish sample or lot representativeness, significant digits, drape, warmth, opacity, thickness, stretch, strength, shrinkage, durability, sewability, end use, target, or tolerance.The interface and plan description do not prove tester reach, completion, feedback quality, fit validity, export quality, uptime, support, or suitability for an established release process. Measurements and photos can be sensitive personal data. Run a non-critical pilot, review the current privacy and service terms, define consent and photo rights, test exports and deletion, and keep pattern approval and release responsibility with the designer.
Practical access
ForApparel brandsBothApparel brands
Location or jurisdictionGlobalGlobalGlobal
AccessOpen accessOpen accessFree + paid
FormatStitch AuthorityStitch AuthoritySoftware
Source typeStitch AuthorityStitch AuthorityFirst-party platform
Source and review
What the source establishesThe guide cites current ISO sources for documented-information, garment-measurement, stitch, and seam boundaries plus current U.S. FTC textile and care-labeling guidance; it explicitly separates those authorities from product-specific technical and market decisions.The calculator uses the NIST SP 811 Appendix B.8 conversion from avoirdupois ounces per square yard to kilograms per square metre and links to a source-reviewed fabric mass record for method, sampling, conditioning, and product controls.Pattern Testers currently offers application intake, tester selection, feedback, photos, approvals, issue tracking, revisions, a reusable tester directory, and release deadlines. The public pricing page shows a limited free plan and paid Pro and Business tiers. Its June 2026 privacy policy lists names, email addresses, measurements, photos, feedback, application history, and assignments among the data processed.
Linked page reviewedJul 16, 2026Jul 16, 2026Jul 21, 2026
Next review dueJul 16, 2027Jul 16, 2027Jan 17, 2027
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