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| Decision field | Open accessPattern Test Brief TemplateGlobalRemove | Open accessTech Pack Definition, Contents & LimitsGlobalRemove | PaidPatternLab LondonGlobalRemove | Open accessFabric Mass Unit ConverterGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Find patterns & fit | Source production | Find patterns & fit | Choose materials |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Patterns & fit | Production | Patterns & fit | Materials |
| Best for | Planning a sewing, knitting, or crochet pattern test | Understanding what a tech pack must control before using a template or releasing work | Generating an editable custom-measurement block | Translating the same fabric mass-per-area result between metric and U.S. customary listings |
| Know before using | The workflow is not a contract or quality certification; local legal duties and technical review may still apply. | 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. | 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. | 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. |
| Practical access | ||||
| For | Both | Apparel brands | Both | Both |
| Location or jurisdiction | Global | Global | Global | Global |
| Access | Open access | Open access | Paid | Open access |
| Format | Stitch Authority | Stitch Authority | Software | Stitch Authority |
| Source type | Stitch Authority | Stitch Authority | First-party platform | Stitch Authority |
| Source and review | ||||
| What the source establishes | The linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface. | 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. | 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. | 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. |
| Linked page reviewed | Jul 15, 2026 | Jul 27, 2026 | Jul 21, 2026 | Jul 30, 2026 |
| Next review due | Jul 15, 2027 | Jul 27, 2027 | Jan 17, 2027 | Jul 30, 2027 |
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