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| Decision field | Open accessSewing Length ConverterGlobalRemove | Free + paidPattern TestersGlobalRemove | Open accessHandweavers Guild of America ResourcesGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Find patterns & fit | Find patterns & fit | Learn techniques |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Patterns & fit | Patterns & fit | Techniques & repair |
| Best for | Translating a length already stated by a pattern, controlled specification, sewing tool, or seam allowance | Coordinating an independent sewing-pattern test | Finding a weaving, spinning, or dyeing community |
| Know before using | This is a length-unit translation reference. It does not identify the measured feature; 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. | 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. | Coverage reflects affiliated guilds, submitted events, and participating professionals rather than every regional option. HGA states that its paid professional listings are supplied and updated by the professional and are not HGA endorsements. Confirm current contact details, teaching format, accessibility, price, skill level, and safeguarding or insurance needs directly. |
| Practical access | |||
| For | Both | Apparel brands | Makers |
| Location or jurisdiction | Global | Global | Global |
| Access | Open access | Free + paid | Open access |
| Format | Stitch Authority | Software | Directory |
| Source type | Stitch Authority | First-party platform | Industry organization |
| Source and review | |||
| What the source establishes | NIST states that 10 millimetres equal 1 centimetre and that one inch is exactly 25.4 millimetres. The tool uses those relationships, 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. | 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. | The Handweavers Guild of America's current resources page links a searchable affiliate-guild directory, a paid professional-member directory and fiber-art resource guide, book reviews, a public event calendar, scholarships, a quarterly member magazine, and program and store information for weaving, spinning, dyeing, and related fiber arts. |
| Linked page reviewed | Jul 30, 2026 | Jul 21, 2026 | Jul 21, 2026 |
| Next review due | Jul 30, 2027 | Jan 17, 2027 | Jan 17, 2027 |
| Inspect | |||
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