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| Decision field | Free accountSwatchOnGlobalRemove | Open accessApparel Grade-Rule & Size-Run Validation RecordGlobalRemove | Free accountThreadloop Sewing Pattern DatabaseGlobalRemove | Open accessKnitting Stitch LibraryGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Choose materials | Find patterns & fit | Find patterns & fit | Learn techniques |
| Area | Materials | Patterns & fit | Patterns & fit | Techniques & repair |
| Best for | Sourcing swatches and low-MOQ fabric options | Auditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidence | Searching current and out-of-print sewing patterns | Learning or comparing knit structures |
| Know before using | SwatchOn's supplier status, counts, and trust language describe its own marketplace and can change. They do not independently establish fibre identity, performance, certification validity, mill ownership, production capacity, colour continuity, delivery, duty, or commercial fit. Review samples, test data, current certificates, the contracting entity, order terms, and landed logistics before purchase. | 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. | Community members add and quality-control the records, so confirm sizing, measurements, fabric suggestions, format, availability, errata, license, and purchase terms with the designer or publisher. Adding an entry to a stash does not provide the pattern files. Saved searches and private PDF storage are paid Plus features, and a listing or review does not establish pattern accuracy or fit. | A foundational library, not yet an exhaustive stitch encyclopedia. |
| Practical access | ||||
| For | Apparel brands | Apparel brands | Makers | Makers |
| Location or jurisdiction | Global | Global | Global | Global |
| Access | Free account | Open access | Free account | Open access |
| Format | Marketplace | Stitch Authority | Community | Stitch Authority |
| Source type | Commercial marketplace | Stitch Authority | Community database | Stitch Authority |
| Source and review | ||||
| What the source establishes | SwatchOn's current marketplace page exposes fabrics, trims, and prints, with swatch samples, in-stock catalogue colours, low-order-quantity options, and global logistics support. The page publishes operator-supplied marketplace and supplier counts and labels participating suppliers as verified partners. | 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. | Threadloop's official guide describes an independent, fully crowdsourced database covering available and out-of-print sewing patterns. Its search supports pattern type, fabric type, age group, body type, cup size, level, format, file features, language, measurements, availability, and other filters; members can also track a stash, wishlist, projects, reviews, and discussions. | The linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface. |
| Linked page reviewed | Jul 21, 2026 | Jul 16, 2026 | Jul 21, 2026 | Jul 15, 2026 |
| Next review due | Jan 17, 2027 | Jul 16, 2027 | Jan 17, 2027 | Jul 15, 2027 |
| Inspect | ||||
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