A modular magnet assembly including a first module having a first whorl of members extending from a first magnet and defining a first cavity, and a second module having a second whorl of members extending from a second magnet and defining a second cavity, wherein the second module is stackable on the first module such that the second whorl is nested within the first cavity and the first magnet and the second magnet are aligned along an axis, and the first magnet and the second magnet and operatively arranged to magnetically secure the second module to the first module when the second whorl is nested within the first cavity.