Instrument 7 of 8
The Iris
Petals of thin-film shader material open around a gold beard — iridescence computed from view angle, the way a screen can outpaint oil.
drag to turn · arrow keys rotateexports match what you see
How it works
Module: IridescentMaterial — one file, zero dependencies beyond three.js, reused verbatim by this site's own ornament. Parameters are announced to screen readers through aria-valuetext; the whole instrument is operable from the keyboard.