Isomars Rolling Ruler – 30cm seamlessly combines the functionality of a ruler, compass, protractor, and T-square into one versatile instrument. Engineered for precision, this multipurpose tool empowers artists, students, and designers to create parallel lines, circles, angles, and grids with ease.

To start, the calibrated roller allows you to draw consistent horizontal lines without slipping. At the same time, the built-in 180-degree protractor lets you measure and sketch angles and arcs accurately. Additionally, the ruler includes holes that guide your pen or pencil to draw vertical lines, making it ideal for constructing squares, quadrants, and graphs.

Furthermore, the magnifier enhances visibility for detailed inspection, while the rolling mechanism simplifies cross hatching and perspective drawing. Whether you’re drafting technical diagrams, creating geometric art, or practicing architectural sketches, this tool adapts effortlessly to your creative needs.

Measuring 30cm in length, the Isomars Rolling Ruler offers ample coverage for most standard paper sizes. Thanks to its compact design, it fits easily into school bags, studio kits, or drafting portfolios. In the end, this all in one ruler streamlines your workflow and boosts accuracy—making it an essential tool for anyone who values clean lines, symmetry, and creative control.