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| Decision field | Free + paidThreadloop Sewing Pattern DatabaseGlobalRemove | Open accessEU VIES VAT Number ValidationEuropean UnionRemove | Free + paidPatternReviewGlobalRemove | Open accessSeam Allowance ConverterGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Find patterns & fit | Check standards | Find patterns & fit | Find patterns & fit |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Patterns & fit | Standards | Patterns & fit | Patterns & fit |
| Best for | Searching current and out-of-print sewing patterns | Checking an EU supplier's stated VAT number and saving the dated validation response as one identity and invoicing control | Finding member reports about a named sewing pattern | Translating a seam allowance already stated by a pattern or controlled specification |
| 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 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. | PatternReview combines community reports, membership, education, advertising, and retail, so it is not a neutral or complete pattern index. Reviews are individual experiences rather than standardized fit tests. Confirm the exact pattern version, size range, measurements, fabric, format, errata, licence, seller terms, and current availability with the designer or publisher. Paid catalogue and search features do not establish an export route or continued access after membership ends. | This is a unit-translation reference. It does not select, approve, or change a seam allowance; establish a universal fraction; interpret an unstated cutting or stitching line; or replace the exact pattern version, controlled specification, material and seam evidence, sample, production method, equipment, tolerance, or release authority. |
| Practical access | ||||
| For | Makers | Apparel brands | Makers | Both |
| Location or jurisdiction | Global | European Union | Global | Global |
| Access | Free + paid | Open access | Free + paid | Open access |
| Format | Community | Reference | Community | Stitch Authority |
| Source type | Community database | Official registry | Community database | Stitch Authority |
| Account, payment, and exit | ||||
| Access scope | Sewer searching pattern records or organizing patterns, projects, fabric, notions, and private files. | Not yet reviewed at this level. | Sewer reading community pattern reports, participating in discussions, or keeping a personal pattern catalogue and wishlist. | Not yet reviewed at this level. |
| Before an account | Browse the pattern database, guide, designers, publications, and public community areas without creating an account. | Not yet reviewed at this level. | Browse recent pattern reviews, the review gallery, shop, classes, blog, and public help pages without creating an account. | Not yet reviewed at this level. |
| Free-account boundary | A free account needs no card and supports a stash, wishlist, projects, reviews, and personal organization. | Not yet reviewed at this level. | Free membership requires email activation. The account FAQ says most participation and member-only areas require sign-in. | Not yet reviewed at this level. |
| Payment boundary | 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. | Friends of PR costs $34.95 per year and adds advanced search, a personal pattern catalogue and wishlist, bookmarks, classifieds, discounts, and other features. | Not yet reviewed at this level. |
| Cancellation or exit | 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. | Friends of PR recurs on its plan cycle. The account FAQ says an advance email includes cancellation instructions and also publishes an email cancellation route. | Not yet reviewed at this level. |
| Saved work and data | 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. | Paid tools can hold a pattern catalogue, wishlist, bookmarks, and photos, but the checked pages do not establish a complete export or post-membership retention route. Keep critical records elsewhere. | Not yet reviewed at this level. |
| 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. 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. | 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. | PatternReview's current site exposes recent pattern, sewing-machine, and store reviews, forums, contests, classes, classifieds, a pattern shop, and a searchable review gallery. Its account FAQ says most participation requires a free activated account. Friends of PR adds advanced search, a personal pattern catalogue and wishlist, bookmarks, classifieds, a photo album, discounts, and other features through a recurring paid membership with a published email cancellation route. | NIST states that one inch is exactly 25.4 millimetres, and the SI decimal relationship makes one centimetre equal to 10 millimetres. The tool uses those factors, displays rounded equivalents, exposes the size difference to the nearest 1/16 inch when converting to inches, and preserves valid value, source-unit, and target-unit state in the URL. |
| Linked page reviewed | Jul 28, 2026 | Jul 15, 2026 | Jul 28, 2026 | Jul 28, 2026 |
| Next review due | Jan 24, 2027 | Oct 13, 2026 | Jan 24, 2027 | Jul 28, 2027 |
| Inspect | ||||
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