A 3D display sitting on a desk. It’s a cylinder 35cm tall - transparent plastic above a black base, which is ribbed and supported on little angled legs. Inside, there is the suggestion of a spinning mechanism, and a loose scattering of points of light making up a simple cube.
https://files.mastodon.social/media_attachments/files/111/354/920/528/050/463/original/c7b077bddd4e38b4.jpeg