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| Decision field | Open accessSeam Allowance ConverterGlobalRemove | Free + paidPattern TestersGlobalRemove | Open accessQUT TextileR Knowledge BaseAustralia · OceaniaRemove | Open accessFreeSewingGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Find patterns & fit | Find patterns & fit | Choose materials | 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 | Materials | Patterns & fit |
| Best for | Translating a seam allowance already stated by a pattern or controlled specification | Coordinating an independent sewing-pattern test | Comparing common fibre types and blends by typical use and care before choosing a project material, then following the cited source when the decision needs testing or current claim evidence | Custom-fit home sewing patterns |
| Know before using | 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. | 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 general educational reference, not a neutral material ranking, complete fibre encyclopedia, specification, test report, sourcing database, lifecycle assessment, certification, safety procedure, or proof of a product claim. Coverage and citation depth vary by page, and some environmental, care, performance, or end-of-life statements are broad. Fibre name alone does not establish a fabric's construction, blend percentage, finish, quality, behavior, or suitability. Confirm the exact composition, construction, finish, care label, sample behavior, test evidence, certification scope, and project requirements with the responsible supplier, scheme, laboratory, or specialist. | A generated pattern is not independent fit evidence or a production-ready graded block. The result still depends on accurate measurements, the selected design and options, ease assumptions, fabric behavior, construction, and representative test garments. An account stores saved patterns and measurement sets, so review the platform's privacy terms before retaining personal measurements. |
| Practical access | ||||
| For | Both | Apparel brands | Both | Makers |
| Location or jurisdiction | Global | Global | Australia · Oceania | Global |
| Access | Open access | Free + paid | Open access | Open access |
| Format | Stitch Authority | Software | Reference | Software |
| Source type | Stitch Authority | First-party platform | First-party platform | Open-source project |
| Source and review | ||||
| What the source establishes | 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. | 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 live QUT index says the knowledge base is designed to help users choose an appropriate textile and extend garment use. It links 14 topics: nine named fibre pages, textile blends, re-making, reuse, recycling, and repair. Checked silk, polyester, wool, and blend pages organize information under overview, common fabrics, context of use, care, recycling, and further reading where applicable. QUT identifies TextileR as a research group and publishes named researchers, publications, objectives, and a direct contact. | FreeSewing's official documentation says the browser editor drafts a selected design in real time from a measurement set rather than scaling or grading a standard-size pattern. Users can adjust design options and export the generated result, including as PDF; saving the pattern to an account is optional and is used to revisit it later. |
| Linked page reviewed | Jul 28, 2026 | Jul 21, 2026 | Jul 26, 2026 | Jul 21, 2026 |
| Next review due | Jul 28, 2027 | Jan 17, 2027 | Jan 22, 2027 | Jan 17, 2027 |
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