



DRAPAS Omoshiro Scale 30
DRAPAS Rolling Ruler 30cm – the all-in-one tool for technical drawing
Designed for illustrators, students, and professionals alike, the DRAPAS Rolling Ruler 30cm makes it easy to draw perfectly parallel lines — whether horizontal, vertical, or diagonal — with smooth and precise control.
This multi-functional ruler features a rolling mechanism for stable, effortless movement across the page. It includes vertical guide holes for drawing straight lines, an integrated protractor for measuring angles, and a compass function for drawing circles without needing additional tools. The OA data reading scale is also useful for interpreting printed charts and graphics.
This versatile tool can replace several traditional drawing instruments, helping you work faster with greater accuracy.
Specifications
- Length: 30cm
- Functions: rolling ruler, protractor, substitute compass
- Ideal for: technical drawing, manga, architecture, schoolwork
- Manufacturer: DRAPAS
A practical, multi-use, and affordable ruler suitable for both beginners and experienced users.

