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| Decision field | Open accessPattern Test Brief TemplateGlobalRemove | Open accessFabric Mass Unit ConverterGlobalRemove | PaidPatternLab LondonGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Find patterns & fit | Choose materials | Find patterns & fit |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Patterns & fit | Materials | Patterns & fit |
| Best for | Planning a sewing, knitting, or crochet pattern test | Translating the same fabric mass-per-area result between metric and U.S. customary listings | Generating an editable custom-measurement block |
| Know before using | The workflow is not a contract or quality certification; local legal duties and technical review may still apply. | 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. | 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 | |||
| For | Both | Both | Both |
| Location or jurisdiction | Global | Global | Global |
| Access | Open access | Open access | Paid |
| Format | Stitch Authority | Stitch Authority | Software |
| Source type | Stitch Authority | Stitch Authority | First-party platform |
| 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 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. | 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 reviewed | Jul 15, 2026 | Jul 30, 2026 | Jul 21, 2026 |
| Next review due | Jul 15, 2027 | Jul 30, 2027 | Jan 17, 2027 |
| Inspect | |||
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