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| Decision field | PaidCLOGlobalRemove | Free + paidPattern TestersGlobalRemove | Open accessKnitting Needle to Crochet Hook Size ChartGlobalRemove |
|---|---|---|---|
| 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 | Yarn |
| Best for | Individual and team 3D garment prototyping | Coordinating an independent sewing-pattern test | Finding the current CYC hook and needle aliases that share one known nominal metric diameter before confirming project gauge |
| Know before using | A virtual sample or coloured fit map is not proof of physical fit, comfort, construction quality, manufacturability, or graded-size approval. Results depend on pattern geometry, sewing, avatar measurements and pose, fabric physical-property data, trims, mesh, and simulation settings. Current releases have substantial hardware and learning requirements; validate representative fabrics, bodies, movements, and sewn samples physically. | 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. | A shared nominal diameter does not make a knitting needle and crochet hook interchangeable or predict equal gauge or fabric. The reference is not a physical measurement, manufacturer inspection, UK or Canadian conversion, steel-hook chart, tool recommendation, yarn assignment, or project approval. |
| Practical access | |||
| For | Both | Apparel brands | Makers |
| Location or jurisdiction | Global | Global | Global |
| Access | Paid | Free + paid | Open access |
| Format | Software | Software | Stitch Authority |
| Source type | First-party platform | First-party platform | Stitch Authority |
| Source and review | |||
| What the source establishes | CLO's current product and support documentation covers linked 2D pattern work and 3D garment simulation on avatars, grading review by size, fabric and garment visualization, fit maps for stress, strain, pressure, and tightness, and rendering and presentation output. Current system requirements publish separate Windows and Apple Silicon baselines and higher recommendations for complex simulation and rendering. | 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 28, 2026. The lookup reproduces the current public Craft Yarn Council metric and U.S. alias rows, aligns hooks and needles only when their nominal millimetre value matches, and leaves missing rows or aliases unfilled. |
| Linked page reviewed | Jul 21, 2026 | Jul 21, 2026 | Jul 28, 2026 |
| Next review due | Jan 17, 2027 | Jan 17, 2027 | Jul 28, 2027 |
| Inspect | |||
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