Casiopea is a walnut mirrior. Its rounded triangular shape has a particular tendency to become an ellipse. This concept is repeated on a concentric basis creating an elliptic-kinetic effect that portrays (as an idealized caricature) the kinetics of the stellar orbits. In spite of the apparent bidimensionality of its three rings, it is especially interesting how the different sections along its profiles vary three-dimension which enhances the dynamism of its curves.
Further info from manufacturer on CASIOPEA Agrippa