Iris is a beautiful device that allows you to draw and measure perfect circles. Draft a single, concentric, or even shaded circles with the unique moving aperture that can be adjusted from 3 to 70mm with scientific precision.

Made of solid brass with carefully selected stainless-spring steel leaves (for rigidity and corrosion resistance), Iris is built to last. A walnut centering tool allows you to position your circle to a given point and can be used as a stand to display your Iris when not in use.