You're mid-drawing, your ratios are off, and the ruler you grabbed doesn't carry the scale you need. The Staedtler AS1212-2 is a 300mm scale ruler built for technical drawings and ratio-based work. Set your scale, draw the line, done. No guessing. No redrawing. A reliable workhorse for drafting, architecture, or any job where proportion matters
| brand | STAEDTLER |
| model | AS1212-2 |
| length_mm | 300 |
| type | Scale Ruler |
| use_case | Technical drawings, ratio work |
| category | Education & Craft |
| subcategory | Classroom Supplies |
