The artist interprets this image as a swarm of butterflies hovering around an invisible but attractive object. On the other hand, it could be a Rorschach inkblot test, which has run amok.
These images are pure fractals that are related to the mathematical function f(z) = cosh(z). They have been rendered with different magnifications. Cosh 2 is the tip of the central part of Cosh 1.