360-Degree Rotating Round Ruler with Circles and Degrees for Drafting Patchwork Office and School

Produce precise angles, circles, and measurements easily with this rotating drafting ruler featuring a full 360-degree scale and built-in circle guides. The compact 4.55-inch diameter makes it portable for classrooms, studios, and work desks, while the clear markings help you draft angles, trace curves, and align designs accurately. Ideal as a 360 degree circle ruler for drafting, geometry, patchwork, and everyday office or school tasks, this versatile tool adds precision and convenience to every project.

Key Features

• rotating drafting ruler with full 360-degree degree markings for angle measurement

• Built-in concentric circles help you draw and measure curves easily

• Compact 4.55-inch diameter fits comfortably in hands or bags

• Great for drafting and patchwork tool use in classrooms and creative studios

• Clear, easy-to-read markings for accurate layouts, designs, and geometry tasks

Why Choose Our 360-Degree Circle Ruler

Unlike standard straight rulers, this 360 degree circle ruler lets you measure angles and draw curves without switching tools. Its rotating design gives you flexibility and precision for technical drawings, quilting patterns, and craft ideas. A multifunctional measuring disc that’s more versatile than traditional straight or T-square rulers.

Perfect For

• Drafting, architecture, engineering, and technical drawings

• Patchwork, quilting, sewing, and pattern tracing

• Geometry and math classes in school

• Office design layouts and creative projects

How It Works

Place the ruler on your paper or fabric, align the 0° mark with your reference, then rotate the disc to measure angles or trace circle guides. Use the degree markings and circle guides to create accurate shapes and spans quickly.

Product Specs

• Type: Round rotating ruler

• Diameter: 4.55 inches

• Feature: 360-degree measurement, circle guides

• Use: Drafting, patchwork, office and school measurement

What Makes It Stand Out

This ruler combines angle measurement with circle drawing in one compact tool, eliminating the need for multiple instruments. The smooth rotating disc and precise markings make it ideal for technical and creative applications alike — from geometry homework to quilting layouts.