The “ΦTOP”: A Golden Ellipsoid

Year: 2015 Authors: Kenneth Brecher

Core claim

An ellipsoid with axis ratio tied to the golden mean can function as a visually appealing spinning top with near-optimal upright spinning behavior.

Topics

golden ratio geometry, spinning top dynamics, aesthetic form, visual illusion

Domains

ellipses, ellipsoids, golden ratio, nonholonomic dynamics, sculpture, industrial design, aesthetics, kinetic art

Methods

physical prototyping, informal preference survey, spinning experiments, comparative artifact study

Media

brass, aluminum, wood, plastic prototypes

Source status

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