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| Decision field | Free accountThreadloop Sewing Pattern DatabaseGlobalRemove | Open accessCPSC Children's Product Certificate GuidanceUnited States · North AmericaRemove | Free downloadSeamly2DGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Find patterns & fit | Check standards | Find patterns & fit |
| Area | Patterns & fit | Standards | Patterns & fit |
| Best for | Searching current and out-of-print sewing patterns | Structuring a Children's Product Certificate after the actual product and applicable CPSC-enforced rules have been identified | Digital pattern drafting |
| 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 examples are illustrative and do not identify every rule for a product. This page does not classify an item, select tests, prove that a laboratory scope or report matches production, issue a certificate, satisfy tracking-label duties, or complete current import eFiling. The responsible certifier remains accountable for current and accurate product-specific evidence. | Patternmaking knowledge, controlled measurement files, production conventions, and sewn fit testing are still required. The software does not validate body measurements, ease, balance, grading rules, fabric behavior, construction, or product fit. The project currently labels its user wiki manual as needing updates, so confirm current commands and file behavior against the installed release and active support channels. |
| Practical access | |||
| For | Makers | Apparel brands | Both |
| Location or jurisdiction | Global | United States · North America | Global |
| Access | Free account | Open access | Free download |
| Format | Community | Reference | Software |
| Source type | Community database | Government guidance | Open-source project |
| 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. | CPSC states that covered children's products require a written CPC from the responsible domestic manufacturer or importer based on applicable third-party testing, describes seven certificate elements, and links rule, laboratory, FAQ, example, and eFiling resources. | The maintained Seamly2D repository identifies the application as GPLv3+ open-source patternmaking software for Windows, macOS, and Linux. It reads multi-size measurement files for standardized sizes and individual measurement files for custom-fit work, publishes downloadable builds and releases, and links an active website and user forum. |
| Linked page reviewed | Jul 21, 2026 | Jul 16, 2026 | Jul 21, 2026 |
| Next review due | Jan 17, 2027 | Oct 14, 2026 | Jan 17, 2027 |
| Inspect | |||
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