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| Decision field | Open accessGarment POM Definition & Verification RecordGlobalRemove | Free accountThreadloop Sewing Pattern DatabaseGlobalRemove | PaidPatternLab LondonGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Source production | Find patterns & fit | Find patterns & fit |
| Area | Production | Patterns & fit | Patterns & fit |
| Best for | Turning an ambiguous POM name, code, or diagram into a reproducible method before setting targets, tolerances, or inspection decisions | Searching current and out-of-print sewing patterns | Generating an editable custom-measurement block |
| Know before using | The record does not reproduce licensed ISO measurement drawings, supply universal POM codes or targets, approve an internal method, prove measurement capability or product fit, or replace qualified technical-design, pattern, fit, quality, metrology, safety, and regulatory review. | 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 measurement-generated draft is a starting block, not independent evidence of body capture, comfort, mobility, balance, garment ease, or production fit. The result depends on measurement accuracy, supported ranges, formula assumptions, selected options, and output handling. Review the service's privacy terms before storing body data and sew a representative toile before design, grading, or production use. |
| Practical access | |||
| For | Apparel brands | Makers | Both |
| Location or jurisdiction | Global | Global | Global |
| Access | Open access | Free account | Paid |
| Format | Stitch Authority | Community | Software |
| Source type | Stitch Authority | Community database | First-party platform |
| Source and review | |||
| What the source establishes | The guide cites current ISO garment-measurement, body-measurement, and textile-conditioning standards plus NIST measurement-process guidance for repeatability and reproducibility; it requires organization-specific codes, added points, targets, and tolerances to remain explicitly controlled. | 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. | PatternLab London's current drafting page says a user creates a measurement profile, selects a basic block or sloper, adjusts fit, dart placement, length, seam allowance, and sleeve options, then downloads the generated result as tiled PDF, AI, or SVG. The live catalogue names bodice, dress, trouser, and stretch blocks and displays a price before purchase. |
| Linked page reviewed | Jul 16, 2026 | Jul 21, 2026 | Jul 21, 2026 |
| Next review due | Jul 16, 2027 | Jan 17, 2027 | Jan 17, 2027 |
| Inspect | |||
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