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| Decision field | Free + paidThreadloop Sewing Pattern DatabaseGlobalRemove | Free accountTextilliaGlobalRemove | Open accessKnitting Needle to Crochet Hook Size ChartGlobalRemove | Open accessSeam Allowance ConverterGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Find patterns & fit | Find patterns & fit | Learn techniques | 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 | Patterns & fit | Yarn | Patterns & fit |
| Best for | Searching current and out-of-print sewing patterns | Cross-referencing sewing patterns, materials, and member projects | Finding the current CYC hook and needle aliases that share one known nominal metric diameter before confirming project gauge | 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. | Textillia is community-contributed and now runs with minimal maintenance, so record freshness, coverage, moderation speed, and continued availability require direct inspection. It does not sell the indexed patterns or materials. Confirm pattern files, sizing, measurements, availability, licence, errata, fabric details, and seller terms with the responsible designer, publisher, or manufacturer. Account deletion permanently removes uploaded projects, and the checked pages do not establish a complete export route. | A shared nominal diameter does not make a knitting needle and crochet hook interchangeable or predict equal gauge or fabric. The reference is not a physical measurement, manufacturer inspection, UK or Canadian conversion, steel-hook chart, tool recommendation, yarn assignment, or project approval. | 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 | Makers | Makers | Both |
| Location or jurisdiction | Global | Global | Global | Global |
| Access | Free + paid | Free account | Open access | Open access |
| Format | Community | Community | Stitch Authority | Stitch Authority |
| Source type | Community database | Community database | Stitch Authority | Stitch Authority |
| Account, payment, and exit | ||||
| Access scope | Sewer searching pattern records or organizing patterns, projects, fabric, notions, and private files. | Sewer or textile maker cross-referencing patterns, materials, projects, resources, designers, companies, and shops. | Not yet reviewed at this level. | Not yet reviewed at this level. |
| Before an account | Browse the pattern database, guide, designers, publications, and public community areas without creating an account. | Browse public pattern, material, project, about, FAQ, and blog pages. Search and full database or community access route through sign-in. | Not yet reviewed at this level. | 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. | A free account provides full database access, contribution, project and stash organization, forums, profiles, and related community tools. | Not yet reviewed at this level. | 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. | The current FAQ says the planned membership system will not launch and the site will not charge for access. Donations and shirt purchases are optional and separate. | Not yet reviewed at this level. | 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. | The FAQ links an account-cancellation process and says deletion is permanent, removes uploaded projects, and does not separately cancel newsletters or recurring donations. | Not yet reviewed at this level. | 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. | Members can add projects, patterns, materials, and organization records. The checked pages establish permanent project deletion with account closure but no complete export route, so retain important records elsewhere. | Not yet reviewed at this level. | 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. | Textillia's current about page describes an independent, centralized, crowdsourced database that cross-references sewing patterns, materials, resources, projects, designers, companies, and shops. Its FAQ says the site does not sell patterns or fabric, logged-in members can add records, full database access uses a free account, and paid memberships will not launch. A February 2026 notice says the dissolved company will continue the site as a donation-supported hobby project with minimal maintenance and reduced active development. | Rechecked July 28, 2026. The lookup reproduces the current public Craft Yarn Council metric and U.S. alias rows, aligns hooks and needles only when their nominal millimetre value matches, and leaves missing rows or aliases unfilled. | 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 28, 2026 | Jul 28, 2026 | Jul 28, 2026 |
| Next review due | Jan 24, 2027 | Jan 24, 2027 | Jul 28, 2027 | Jul 28, 2027 |
| Inspect | ||||
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