The 4DLO and other tubing models of S3 symmetry
Abstract
The Four-dimensional Light Orchestra or 4DLO was an interactive sculpture at the National Museum of Mathematics (MoMath) from November 20, 2025 through January 2026, illustrating various sub-symmetries of the 24-cell with colored lights. This was part of a larger sequence of tubing sculptures aiming to bring to life a few lines of tables appearing in~conwayandsmith, reprinted in~sot, and further illuminated in~rastanawi. Best of all museum patrons could manipulate 4DLO's lighting by singing and making funny noises into a microphone, and they did so with gusto. Here we describe some of the technical aspects of this sculpture and its context.
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