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| Decision field | Free accountThreadloop Sewing Pattern DatabaseGlobalRemove | PaidPatternLab LondonGlobalRemove | Open accessControlled Tech Pack OrientationGlobalRemove | Free accountSwatchOnGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Find patterns & fit | Find patterns & fit | Source production | Choose materials |
| Area | Patterns & fit | Patterns & fit | Production | Materials |
| Best for | Searching current and out-of-print sewing patterns | Generating an editable custom-measurement block | Understanding what a tech pack must control before using a template or releasing work | Sourcing swatches and low-MOQ fabric options |
| Know before using | 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 measurement-generated draft is a starting block, not independent evidence of body capture, comfort, mobility, balance, garment ease, or production fit. The result depends on measurement accuracy, supported ranges, formula assumptions, selected options, and output handling. Review the service's privacy terms before storing body data and sew a representative toile before design, grading, or production use. | An orientation rather than a completed product record; it does not supply a universal format, licensed standard content, measurements, tolerances, construction settings, labels, approvals, compliance conclusion, or product-release authority. | 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. |
| Practical access | ||||
| For | Makers | Both | Apparel brands | Apparel brands |
| Location or jurisdiction | Global | Global | Global | Global |
| Access | Free account | Paid | Open access | Free account |
| Format | Community | Software | Stitch Authority | Marketplace |
| Source type | Community database | First-party platform | Stitch Authority | Commercial marketplace |
| Source and review | ||||
| What the source establishes | 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. | PatternLab London's current drafting page says a user creates a measurement profile, selects a basic block or sloper, adjusts fit, dart placement, length, seam allowance, and sleeve options, then downloads the generated result as tiled PDF, AI, or SVG. The live catalogue names bodice, dress, trouser, and stretch blocks and displays a price before purchase. | The guide cites current ISO sources for documented-information, garment-measurement, stitch, and seam boundaries plus current U.S. FTC textile and care-labeling guidance; it explicitly separates those authorities from product-specific technical and market decisions. | 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. |
| Linked page reviewed | Jul 21, 2026 | Jul 21, 2026 | Jul 16, 2026 | Jul 21, 2026 |
| Next review due | Jan 17, 2027 | Jan 17, 2027 | Jul 16, 2027 | Jan 17, 2027 |
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