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| Decision field | Free accountThreadloop Sewing Pattern DatabaseGlobalRemove | Open accessConstruction Classification & Callout Verification RecordGlobalRemove | Open accessQuiltMapGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Find patterns & fit | Source production | Choose materials |
| Area | Patterns & fit | Production | Materials |
| Best for | Searching current and out-of-print sewing patterns | Using construction codes without treating classification as a machine setting, material assignment, supplier translation, or performance guarantee | Finding quilt-material sellers and adjacent quilting services by country or map |
| 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. | The record does not reproduce licensed code diagrams, verify a user's proposed code, authorize an ISO and ASTM crosswalk, select a construction, set stitch density or machine settings, prove supplier repeatability or performance, or replace the licensed standards and qualified construction, sewing, production, testing, safety, and quality review. | Coverage is quilting-specific and uneven by country; businesses can pay for enhanced features, and community or owner updates do not verify inventory, service quality, hours, or availability. |
| Practical access | |||
| For | Makers | Apparel brands | Makers |
| Location or jurisdiction | Global | Global | Global |
| Access | Free account | Open access | Open access |
| Format | Community | Stitch Authority | Directory |
| Source type | Community database | Stitch Authority | First-party platform |
| 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. | The guide cites the current public scopes and statuses of ISO 4915:1991, ISO 4916:1991, and ASTM D6193-16(2025), plus current seam-failure and seam-tensile methods; it keeps classification, translation, complete process definition, physical verification, and performance evidence separate. | QuiltMap describes free public search and free basic listings, community submissions and claims, and country routes covering North America, Europe, Japan, South Korea, and Australia. |
| Linked page reviewed | Jul 21, 2026 | Jul 16, 2026 | Jul 15, 2026 |
| Next review due | Jan 17, 2027 | Jul 16, 2027 | Jan 11, 2027 |
| Inspect | |||
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