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| Decision field | Open accessEU VIES VAT Number ValidationEuropean UnionRemove | Free downloadSeamly2DGlobalRemove | Free accountThreadloop Sewing Pattern DatabaseGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Check standards | Find patterns & fit | Find patterns & fit |
| Area | Standards | Patterns & fit | Patterns & fit |
| Best for | Checking an EU supplier's stated VAT number and saving the dated validation response as one identity and invoicing control | Digital pattern drafting | Searching current and out-of-print sewing patterns |
| Know before using | A valid VAT number is not proof of manufacturing capability, facility ownership, authorized bank instructions, product origin, tax advice, quality, capacity, certification, labor conditions, or delivery; names and addresses may not be returned for every country, and temporary database outages occur. | 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. | 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. |
| Practical access | |||
| For | Apparel brands | Both | Makers |
| Location or jurisdiction | European Union | Global | Global |
| Access | Open access | Free download | Free account |
| Format | Reference | Software | Community |
| Source type | Official registry | Open-source project | Community database |
| Source and review | |||
| What the source establishes | VIES is the European Commission's online VAT Information Exchange System interface for querying national VAT databases to determine whether a submitted number is valid for intra-EU cross-border trade at the time of the request. | 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. | 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. |
| Linked page reviewed | Jul 15, 2026 | Jul 21, 2026 | Jul 21, 2026 |
| Next review due | Oct 13, 2026 | Jan 17, 2027 | Jan 17, 2027 |
| Inspect | |||
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