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| Decision field | Open accessApparel Measurement Tolerance Setting RecordGlobalRemove | Free + paidPattern TestersGlobalRemove | Open accessHook & Needle Diameter ReferenceGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Source production | Find patterns & fit | Learn techniques |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Production | Patterns & fit | Yarn |
| Best for | Turning an inherited or proposed garment tolerance into a controlled POM method, capability study, decision boundary, inspection rule, and change record | Coordinating an independent sewing-pattern test | Checking which U.S. alias the current Craft Yarn Council table gives a known metric package size before confirming project gauge |
| Know before using | The record does not supply universal POM values, validate fit across a population, prove process capability, choose a statistical study or sampling plan, reproduce licensed standards, or replace qualified technical, fit, quality, statistical, safety, compliance, and legal review. | 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. | The reference is not a dimensional measurement, manufacturer inspection, UK or Canadian conversion, steel-hook chart, tool recommendation, yarn assignment, gauge result, or proof that a proposed tool will produce the required fabric. |
| Practical access | |||
| For | Apparel brands | Apparel brands | Makers |
| Location or jurisdiction | Global | Global | Global |
| Access | Open access | Free + paid | Open access |
| Format | Stitch Authority | Software | Stitch Authority |
| Source type | Stitch Authority | First-party platform | Stitch Authority |
| Source and review | |||
| What the source establishes | The guide cites current ISO, AATCC, and NIST sources for body and garment measurement boundaries, textile conditioning, dimensional-change testing, repeatability and reproducibility, and AQL-indexed sampling, while requiring the live product owner to set rather than inherit numerical tolerances. | 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. | Rechecked July 27, 2026. The lookup reproduces the current public Craft Yarn Council metric and U.S. alias rows and follows the Council's warning that company letter and number labels vary; blank aliases remain blank instead of being inferred. |
| Linked page reviewed | Jul 15, 2026 | Jul 21, 2026 | Jul 27, 2026 |
| Next review due | Jul 15, 2027 | Jan 17, 2027 | Jul 27, 2027 |
| Inspect | |||
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