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| Decision field | Open accessControlled Tech Pack OrientationGlobalRemove | Free accountThreadloop Sewing Pattern DatabaseGlobalRemove | Free downloadAAFA Restricted Substance ListGlobalRemove | Open accessKnitting Stitch LibraryGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Source production | Find patterns & fit | Check standards | Learn techniques |
| Area | Production | Patterns & fit | Standards | Techniques & repair |
| Best for | Understanding what a tech pack must control before using a template or releasing work | Searching current and out-of-print sewing patterns | Surveying finished-product chemical regulations | Learning or comparing knit structures |
| 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. | 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. | AAFA provides the list for information only and says it is voluntary, may contain omissions or inaccuracies, and is not legal advice. A global most-restrictive value is not a complete market or product determination. Verify the current controlling law, jurisdiction, product and component scope, exemptions, effective dates, test method, sampling plan, brand requirements, manufacturing-input controls, and other safety rules. | A foundational library, not yet an exhaustive stitch encyclopedia. |
| Practical access | ||||
| For | Apparel brands | Makers | Apparel brands | Makers |
| Location or jurisdiction | Global | Global | Global | Global |
| Access | Open access | Free account | Free download | Open access |
| Format | Stitch Authority | Community | Reference | Stitch Authority |
| Source type | Stitch Authority | Community database | Industry organization | 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. | 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. | AAFA published RSL Version 26 on January 28, 2026 in searchable spreadsheet and PDF formats. The association describes it as a regularly updated reference to laws and regulations restricting chemicals in finished apparel, footwear, accessories, and home textiles. Its methodology records final-product or component limits, jurisdiction, test method, and comments, and excludes factory-process restrictions and non-chemical product-safety rules. | The linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface. |
| Linked page reviewed | Jul 16, 2026 | Jul 21, 2026 | Jul 21, 2026 | Jul 15, 2026 |
| Next review due | Jul 16, 2027 | Jan 17, 2027 | Oct 19, 2026 | Jul 15, 2027 |
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