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| Decision field | Open accessFabric Mass Unit ConverterGlobalRemove | Free + paidThreadloop Sewing Pattern DatabaseGlobalRemove | Open accessYarnSubGlobalRemove | Free + paidMaker’s RowUnited States · North AmericaRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Choose materials | Find patterns & fit | Choose materials | Source production |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Materials | Patterns & fit | Yarn | Production |
| Best for | Translating the same fabric mass-per-area result between metric and U.S. customary listings | Searching current and out-of-print sewing patterns | Building a substitution shortlist for a discontinued or unavailable yarn before checking quantity, availability, and a representative swatch | Finding US production partners |
| Know before using | The result is a numerical unit conversion, not a new measurement or conformance decision; it does not establish sample or lot representativeness, significant digits, drape, warmth, opacity, thickness, stretch, strength, shrinkage, durability, sewability, end use, target, or tolerance. | 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 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. | The current pricing page contains conflicting prices and feature copy across plan cards, comparison rows, and FAQs; verify the amount, billing period, trial, and included capabilities at checkout. A factory profile, platform label, badge, rank, bid, estimate, message, or platform claim does not establish identity, ownership, capability, capacity, workmanship, price, compliance, delivery, or project fit. Paid placement can affect discovery. Verify the production site, subcontracting, references, samples, quality and compliance records, specifications, commercial terms, and remedies directly. |
| Practical access | ||||
| For | Both | Makers | Makers | Apparel brands |
| Location or jurisdiction | Global | Global | Global | United States · North America |
| Access | Open access | Free + paid | Open access | Free + paid |
| Format | Stitch Authority | Community | Reference | Marketplace |
| Source type | Stitch Authority | Community database | First-party platform | Commercial marketplace |
| 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. | Maker comparing a replacement for a named yarn before buying. | Brand sourcing United States manufacturing partners or factory seeking projects, visibility, and messages through Maker’s Row’s directory and project workflow. |
| Before an account | Not yet reviewed at this level. | Browse the pattern database, guide, designers, publications, and public community areas without creating an account. | Search a named yarn, inspect suggested substitutes, and filter by fibre and approximate price band without creating an account. | Read the brand overview, plan comparison, billing FAQ, terms, and privacy policy. The checked signed-out pages do not establish public use of factory search, project management, bids, replies, or direct messaging. |
| 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. | The checked core substitution route does not require an account, and the FAQ does not offer user-entered yarn records. | A free brand account can publish unlimited projects and receive bids from premium factories. Paid brand access adds factory search, replies, and direct messaging. The pricing FAQ also describes a free factory profile with limited features and visibility; paid factory plans add project bidding, outbound messaging, higher search placement, and promotional services. |
| 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. | 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. | Brand and factory subscriptions recur monthly or annually, and the terms authorize future card charges until cancellation. Paid brand tiers unlock search, replies, messaging, and optional consultation or development support; paid factory tiers sell messaging, bidding, search placement, badges, and promotion. The current pricing page contains conflicting figures between plan cards, comparisons, and FAQs, so verify the exact amount and billing period at checkout. |
| 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. | There is no account or recurring plan to cancel for the core route. The newsletter has a separate unsubscribe link. | The pricing FAQ routes brand cancellation through account settings or support and says access continues through the current billing period without a refund for the used portion. The terms say cancellation takes effect at the end of the current term or renewal term and requires a customer-support ticket; they also warn subscription users to contact support when deactivating or recurring fees may continue. |
| 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. | 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. | Accounts can hold profiles, projects, product details and files, bids, messages, reviews, and payment records. The terms grant Maker’s Row a broad continuing licence to user content, and the privacy policy routes removal through subscription cancellation by email. The checked pages do not document a self-service complete export, export format or timing, or what project and transaction records remain after cancellation. Keep original files and decision records outside the platform. |
| Source and review | ||||
| What the source establishes | The calculator uses the NIST SP 811 Appendix B.8 conversion from avoirdupois ounces per square yard to kilograms per square metre and links to a source-reviewed fabric mass record for method, sampling, conditioning, and product controls. | 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. | 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. | Maker’s Row’s current brand pricing page separates a free project-and-bid entry path from paid factory search, replies, direct messaging, and support. Its factory plans sell project access, outbound messaging, search placement, badges, and promotional services. The terms define the service as access to factories and suppliers rather than a verifier and state that Maker’s Row does not warrant factory-member offerings. |
| Linked page reviewed | Jul 27, 2026 | Jul 28, 2026 | Jul 28, 2026 | Jul 28, 2026 |
| Next review due | Jul 27, 2027 | Jan 24, 2027 | Jan 24, 2027 | Jan 24, 2027 |
| Inspect | ||||
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