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| Decision field | Free + paidPattern TestersGlobalRemove | Open accessSeam Allowance ConverterGlobalRemove | Open accessTextile Language TranslatorGlobalRemove | Open accessPattern Grading & Size-Run Validation RecordGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Find patterns & fit | Find patterns & fit | Learn techniques | Find patterns & fit |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Patterns & fit | Patterns & fit | Techniques & repair | Patterns & fit |
| Best for | Coordinating an independent sewing-pattern test | Translating a seam allowance already stated by a pattern or controlled specification | Turning an unfamiliar phrase or production acronym into a precise next question | Auditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidence |
| Know before using | 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. | This is a unit-translation reference. It does not select, approve, or change a seam allowance; establish a universal fraction; interpret an unstated cutting or stitching line; or replace the exact pattern version, controlled specification, material and seam evidence, sample, production method, equipment, tolerance, or release authority. | It is a translation and orientation layer, not legal advice, certification approval, a purchased standard, or proof that a supplier, sample, or lot conforms. | The record does not create a production grade, supply universal increments or breakpoints, validate a CAD file or fit population, reproduce licensed standards, or replace qualified anthropometric, pattern, technical-design, fit, quality, accessibility, safety, statistical, and user-research review. |
| Practical access | ||||
| For | Apparel brands | Both | Both | Apparel brands |
| Location or jurisdiction | Global | Global | Global | Global |
| Access | Free + paid | Open access | Open access | Open access |
| Format | Software | Stitch Authority | Stitch Authority | Stitch Authority |
| Source type | First-party platform | Stitch Authority | Stitch Authority | Stitch Authority |
| Source and review | ||||
| What the source establishes | 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. | NIST states that one inch is exactly 25.4 millimetres, and the SI decimal relationship makes one centimetre equal to 10 millimetres. The tool uses those factors, displays rounded equivalents, exposes the size difference to the nearest 1/16 inch when converting to inches, and preserves valid value, source-unit, and target-unit state in the URL. | Each entry includes plain-language aliases, a working definition, a decision boundary, a checked source, and an internal next step; a repository audit enforces completeness and review dates. | The guide cites current ISO body-table, size-designation, and garment-measurement boundaries plus two peer-reviewed studies that tested the relationship between conventional grade rules, anthropometric evidence, and garment fit; it requires product-specific target deltas and validation instead of publishing universal increments. |
| Linked page reviewed | Jul 21, 2026 | Jul 28, 2026 | Jul 15, 2026 | Jul 27, 2026 |
| Next review due | Jan 17, 2027 | Jul 28, 2027 | Jul 15, 2027 | Jul 27, 2027 |
| Inspect | ||||
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