ISO-3098
Technical product documentation — Lettering
Defines character dimensions, proportions, and spacing for technical drawings and documentation. Specifies ISO Type A and Type B lettering with height, line width, and spacing ratios ensuring legibility on engineering drawings.
- Document
- ISO 3098 (series, 2015)
- URL
- https://www.iso.org/standard/63403.html
- Label
- Standard
- Keywords
- technical lettering character dimensions engineering drawings Type A Type B spacing ratios legibility
Domain: Typography · Standard