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| Decision field | Free + paidThreadloop Sewing Pattern DatabaseGlobalRemove | Open accessTech Pack Definition, Contents & LimitsGlobalRemove | Open accessYarnSubGlobalRemove | Open accessASDP Sewing Professional DirectoryUnited States · North AmericaRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Find patterns & fit | Source production | Choose materials | Source production |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded | Find patterns & fit |
| Area | Patterns & fit | Production | Yarn | Production |
| Best for | 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 | Finding a US sewing or patternmaking professional |
| 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. | 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. | This is a member referral directory, not a Stitch Authority roster or approval. The observed result count can change and is not a practitioner census. ASDP states that it makes no representations, warranties, or guarantees and assumes no responsibility for members' products or services. Membership, a code of ethics, a profile, a patternmaking category, or stated referral availability does not establish identity, credentials, experience, current availability, capacity, insurance, price, accessibility, workmanship, file compatibility, schedule, or project fit. Confirm those points, references, scope, samples, terms, and remedies directly. |
| Practical access | ||||
| For | Makers | Apparel brands | Makers | Both |
| Location or jurisdiction | Global | Global | Global | United States · North America |
| Access | Free + paid | Open access | Open access | Open access |
| Format | Community | Stitch Authority | Reference | Directory |
| Source type | Community database | Stitch Authority | First-party platform | Industry organization |
| 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. | Maker comparing a replacement for a named yarn before buying. | 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. | Search a named yarn, inspect suggested substitutes, and filter by fibre and approximate price band 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. | The checked core substitution route does not require an account, and the FAQ does not offer user-entered yarn records. | 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. | 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. | 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. | There is no account or recurring plan to cancel for the core route. The newsletter has a separate unsubscribe link. | 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. | 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. | 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. | 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. | ASDP's public directory searches members currently accepting referrals by location and professional specialty. At the July 26, 2026 check, its Patternmaking & Related Services filter returned 15 opted-in profiles with specialties, service-location text, profile or contact routes, and some remote-service notes. The page identifies the population as association members in good standing. |
| Linked page reviewed | Jul 28, 2026 | Jul 27, 2026 | Jul 28, 2026 | Jul 26, 2026 |
| Next review due | Jan 24, 2027 | Jul 27, 2027 | Jan 24, 2027 | Jan 22, 2027 |
| Inspect | ||||
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