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| Decision field | Open accessSeam Allowance ConverterGlobalRemove | Free accountThreadloop Sewing Pattern DatabaseGlobalRemove | Free downloadNSW Textiles Materials & Production Learning ProgramAustralia · OceaniaRemove | Open accessFabric Mass Unit ConverterGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Find patterns & fit | Find patterns & fit | Learn techniques | Choose materials |
| Area | Patterns & fit | Patterns & fit | Techniques & repair | Materials |
| Best for | Working between pattern systems | Searching current and out-of-print sewing patterns | Teachers and learners planning a structured school-based progression in practical textile skills, product design, materials, and production processes | Translating the same fabric mass-per-area result between metric and U.S. customary listings |
| Know before using | A unit reference; the correct allowance depends on material, seam type, and production method. | 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. | This is a teacher-led NSW secondary-school resource, not an adult self-guided course, professional qualification, current equipment or safety manual, factory production specification, universal sewing method, or proof of product fitness. Large DOCX and PPTX files require compatible software and may create accessibility barriers. Confirm current machine instructions, supervision, measurements, material behavior, syllabus requirements, and project-specific safety independently. | The result is a numerical unit conversion, not a new measurement or conformance decision; it does not establish sample or lot representativeness, significant digits, drape, warmth, opacity, thickness, stretch, strength, shrinkage, durability, sewability, end use, target, or tolerance. |
| Practical access | ||||
| For | Both | Makers | Makers | Both |
| Location or jurisdiction | Global | Global | Australia · Oceania | Global |
| Access | Open access | Free account | Free download | Open access |
| Format | Stitch Authority | Community | Reference | Stitch Authority |
| Source type | Stitch Authority | Community database | Government guidance | Stitch Authority |
| Source and review | ||||
| What the source establishes | The linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface. | 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 NSW Department of Education's current Technology 7-8 page describes approximately 20 weeks of adaptable 60-minute lesson sequences for practical textile skills, product design, materials, and production processes. It exposes a program of learning, teacher resource, two sample assessments, and a slide deck. The page records a January 22, 2026 update, and both the page and direct program document returned successfully during review. | The calculator uses the NIST SP 811 Appendix B.8 conversion from avoirdupois ounces per square yard to kilograms per square metre and links to a source-reviewed fabric mass record for method, sampling, conditioning, and product controls. |
| Linked page reviewed | Jul 15, 2026 | Jul 21, 2026 | Jul 16, 2026 | Jul 16, 2026 |
| Next review due | Jul 15, 2027 | Jan 17, 2027 | Oct 14, 2026 | Jul 16, 2027 |
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