# Stitch Authority resource comparison

Generated: 2026-08-04T06:58:42.897Z
Comparison: <https://stitchauthority.com/directory/compare?ids=pattern-testers%2Cclo-3d%2Cftc-clothing-textiles%2Cthreadloop>

This file preserves the published decision metadata for the selected routes. It is not a recommendation, provider approval, compliance decision, or record of project-specific due diligence.

## 1. Pattern Testers

Permanent record: <https://stitchauthority.com/directory/pattern-testers>
Source page: <https://patterntesters.com/>

- Primary job: Find patterns & fit
- Area: Patterns & fit
- For: Apparel brands
- Location or jurisdiction: Global
- Access: Free + paid
- Format: Software
- Source type: First-party platform
- Linked page reviewed: 2026-07-21
- Next review due: 2027-01-17

### Best for

Coordinating an independent sewing-pattern test

### What the source establishes

Pattern Testers currently offers application intake, tester selection, feedback, photos, approvals, issue tracking, revisions, a reusable tester directory, and release deadlines. The public pricing page shows a limited free plan and paid Pro and Business tiers. Its June 2026 privacy policy lists names, email addresses, measurements, photos, feedback, application history, and assignments among the data processed.

### Know before using

The interface and plan description do not prove tester reach, completion, feedback quality, fit validity, export quality, uptime, support, or suitability for an established release process. Measurements and photos can be sensitive personal data. Run a non-critical pilot, review the current privacy and service terms, define consent and photo rights, test exports and deletion, and keep pattern approval and release responsibility with the designer.

## 2. CLO

Permanent record: <https://stitchauthority.com/directory/clo-3d>
Source page: <https://www.clo3d.com/en/clo/features>

- Primary job: Find patterns & fit
- Area: Patterns & fit
- For: Both
- Location or jurisdiction: Global
- Access: Paid
- Format: Software
- Source type: First-party platform
- Linked page reviewed: 2026-07-21
- Next review due: 2027-01-17

### Best for

Individual and team 3D garment prototyping

### What the source establishes

CLO's current product and support documentation covers linked 2D pattern work and 3D garment simulation on avatars, grading review by size, fabric and garment visualization, fit maps for stress, strain, pressure, and tightness, and rendering and presentation output. Current system requirements publish separate Windows and Apple Silicon baselines and higher recommendations for complex simulation and rendering.

### Know before using

A virtual sample or coloured fit map is not proof of physical fit, comfort, construction quality, manufacturability, or graded-size approval. Results depend on pattern geometry, sewing, avatar measurements and pose, fabric physical-property data, trims, mesh, and simulation settings. Current releases have substantial hardware and learning requirements; validate representative fabrics, bodies, movements, and sewn samples physically.

## 3. FTC Clothing and Textiles Guidance

Permanent record: <https://stitchauthority.com/directory/ftc-clothing-textiles>
Source page: <https://www.ftc.gov/business-guidance/industry/clothing-and-textiles>

- Primary job: Check standards
- Area: Standards
- For: Apparel brands
- Location or jurisdiction: United States · North America
- Access: Open access
- Format: Reference
- Source type: Government guidance
- Linked page reviewed: 2026-07-21
- Next review due: 2026-10-19

### Best for

Starting a US textile-label compliance check

### What the source establishes

The FTC clothing and textiles gateway links federal guidance, rules, cases, notices, and the Registered Identification Number database for textile, wool, fur, fibre, origin, environmental, and care-label topics. Its care-label guidance identifies covered manufacturers and importers, covered garments and piece goods, permanent-label expectations, care-instruction substantiation, exemptions, and enforcement under the Care Labeling Rule.

### Know before using

This is a federal guidance gateway, not legal advice, a product classification, an approved label, a test report, or a complete requirement set. Coverage, exemptions, fibre claims, origin claims, care instructions, substantiation, and responsible-party identification depend on the actual product and transaction. Confirm current rule text and enforcement guidance plus any CPSC, customs, state, environmental, advertising, accessibility, or other market requirements that apply.

## 4. Threadloop Sewing Pattern Database

Permanent record: <https://stitchauthority.com/directory/threadloop>
Source page: <https://threadloop.app/>

- Primary job: Find patterns & fit
- Area: Patterns & fit
- For: Makers
- Location or jurisdiction: Global
- Access: Free account
- Format: Community
- Source type: Community database
- Linked page reviewed: 2026-07-21
- Next review due: 2027-01-17

### Best for

Searching current and out-of-print sewing patterns

### 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.

### 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.

## Next checks

1. Remove any route whose audience, jurisdiction, access, or scope does not match the job.
2. Open the permanent record and source page for every remaining route.
3. Recheck facts that can change after the listed review date.
4. Verify project-specific capability, terms, test evidence, and legal requirements with the responsible source or provider.
5. Record the reason for the final choice outside Stitch Authority.
