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| Decision field | Open accessControlled Tech Pack OrientationGlobalRemove | Open accessCanadian Apparel DirectoryCanada · North AmericaRemove | Free accountThreadloop Sewing Pattern DatabaseGlobalRemove | Open accessApparel Grade-Rule & Size-Run Validation RecordGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Source production | Source production | Find patterns & fit | Find patterns & fit |
| Area | Production | Production | Patterns & fit | Patterns & fit |
| Best for | Understanding what a tech pack must control before using a template or releasing work | Starting a Canadian apparel partner search | Searching current and out-of-print sewing patterns | Auditing inherited grade rules or controlling a new multi-size pattern release from approved targets through sample evidence |
| Know before using | 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. | This is a mixed, paid-listing association directory, not a complete map of Canadian apparel production. A listing, membership, category, or company description does not establish Canadian manufacturing, current identity, factory ownership, capability, capacity, minimums, availability, compliance, or project fit. Confirm the actual production site, subcontracting, references, samples, terms, and credentials directly. | 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. | The record does not create a production grade, supply universal increments or breakpoints, validate a CAD file or fit population, reproduce licensed standards, or replace qualified anthropometric, pattern, technical-design, fit, quality, accessibility, safety, statistical, and user-research review. |
| Practical access | ||||
| For | Apparel brands | Apparel brands | Makers | Apparel brands |
| Location or jurisdiction | Global | Canada · North America | Global | Global |
| Access | Open access | Open access | Free account | Open access |
| Format | Stitch Authority | Directory | Community | Stitch Authority |
| Source type | Stitch Authority | Industry organization | Community database | Stitch Authority |
| Source and review | ||||
| What the source establishes | The guide cites current ISO sources for documented-information, garment-measurement, stitch, and seam boundaries plus current U.S. FTC textile and care-labeling guidance; it explicitly separates those authorities from product-specific technical and market decisions. | The Canadian Apparel Federation's public directory currently includes apparel manufacturers, distributors, material and trim suppliers, logistics businesses, technology services, and other industry companies. Its listing page states that members may list free after membership approval, while non-members can register and pay for a one- or five-year listing. | 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. | The guide cites current ISO body-table, size-designation, and garment-measurement boundaries plus two peer-reviewed studies that tested the relationship between conventional grade rules, anthropometric evidence, and garment fit; it requires product-specific target deltas and validation instead of publishing universal increments. |
| Linked page reviewed | Jul 16, 2026 | Jul 21, 2026 | Jul 21, 2026 | Jul 16, 2026 |
| Next review due | Jul 16, 2027 | Jan 17, 2027 | Jan 17, 2027 | Jul 16, 2027 |
| Inspect | ||||
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