Circles on a sphere are stereographically projected onto circles in the equatorial plane. The Circles to Circles series is an attempt to bring the magic of this seemingly dry subject to life.
Orthographic projection of the sphere, the two circles, and the elliptical cone that encompasses them.
Pencil construction, watercolor pencils on watercolor paper
Elke Stangl (elkement) (she/her) is an Austrian physics PhD working as an engineer. Her mathematical art is borne out of her life-long passion for the theoretical underpinnings of her craft. She is creating virtual three-dimensional structures from mathematical functions – digitally with code or with ruler and compass, using.. Read more…