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| Decision field | Open accessEU VIES VAT Number ValidationEuropean UnionRemove | Free + paidThreadloop Sewing Pattern DatabaseGlobalRemove | Open accessTech Pack Definition, Contents & LimitsGlobalRemove | Open accessYarnSubGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Check standards | Find patterns & fit | Source production | Choose materials |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Standards | Patterns & fit | Production | Yarn |
| Best for | Checking an EU supplier's stated VAT number and saving the dated validation response as one identity and invoicing control | Searching current and out-of-print sewing patterns | Understanding what a tech pack must control before using a template or releasing work | Building a substitution shortlist for a discontinued or unavailable yarn before checking quantity, availability, and a representative swatch |
| 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. | 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. | 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. | A suggested match is a data-based shortlist, not proof that the yarn suits the pattern or maker. Records can be incomplete or wrong, price bands are approximate, availability varies by country and seller, and shade-level matching is unavailable. YarnSub says affiliate status does not change suggestions, but equally rated matches are ordered by brand popularity. Confirm required gauge, total length, fibre behavior, construction, care, colour, dye lot, accessibility, price, availability, and seller terms, then make and assess a representative swatch before committing. |
| Practical access | ||||
| For | Apparel brands | Makers | Apparel brands | Makers |
| Location or jurisdiction | European Union | Global | Global | Global |
| Access | Open access | Free + paid | Open access | Open access |
| Format | Reference | Community | Stitch Authority | Reference |
| Source type | Official registry | Community database | Stitch Authority | First-party platform |
| Account, payment, and exit | ||||
| Access scope | Not yet reviewed at this level. | Sewer searching pattern records or organizing patterns, projects, fabric, notions, and private files. | Not yet reviewed at this level. | Maker comparing a replacement for a named yarn before buying. |
| Before an account | Not yet reviewed at this level. | Browse the pattern database, guide, designers, publications, and public community areas without creating an account. | Not yet reviewed at this level. | Search a named yarn, inspect suggested substitutes, and filter by fibre and approximate price band without creating an account. |
| Free-account boundary | Not yet reviewed at this level. | A free account needs no card and supports a stash, wishlist, projects, reviews, and personal organization. | Not yet reviewed at this level. | The checked core substitution route does not require an account, and the FAQ does not offer user-entered yarn records. |
| Payment boundary | Not yet reviewed at this level. | Plus adds PDF pattern storage, collections, saved searches, bulk editing, and other workflow features on monthly or annual billing. | Not yet reviewed at this level. | No subscription is presented for the core route. Affiliate retailer links and optional donations help fund the site; equal-rated matches are ordered by brand popularity. |
| Cancellation or exit | Not yet reviewed at this level. | Cancel through an in-account link. Paid features remain through the current billing cycle, then the account returns to free features. | Not yet reviewed at this level. | There is no account or recurring plan to cancel for the core route. The newsletter has a separate unsubscribe link. |
| Saved work and data | Not yet reviewed at this level. | The terms say submitted materials remain yours, but the checked public pages do not explain a full export or how stored PDFs behave after downgrade. Keep originals outside the platform. | Not yet reviewed at this level. | YarnSub does not expose an API and does not accept user-entered yarn details. Use the data-issue link on a yarn page for corrections. |
| 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. | 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. Current terms state that the free plan requires no card, paid upgrades start billing immediately, cancellation retains paid features through the current cycle, and the account then returns to free features. | The guide cites published ISO sources for documented-information, garment-measurement, stitch, and seam boundaries plus current U.S. FTC textile and care-labeling guidance; it discloses that ISO 10013:2021's 2026 systematic review is at close-of-review stage and separates every cited authority from product-specific technical and market decisions. | YarnSub's official FAQ says its matching software compares gauge, texture, yarn weight and density, fibre content, and fibre qualities such as drape and softness. Discontinued yarns remain searchable as starting points but are excluded from suggestions. Result filters can exclude animal, animal-derived, synthetic, or plant fibre groups and use a subjective $ to $$$$$ price indicator. The site does not accept user-entered yarn details, individual shade cards, or expose an API. Each yarn page provides a data-issue route. |
| Linked page reviewed | Jul 15, 2026 | Jul 28, 2026 | Jul 27, 2026 | Jul 28, 2026 |
| Next review due | Oct 13, 2026 | Jan 24, 2027 | Jul 27, 2027 | Jan 24, 2027 |
| Inspect | ||||
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