Whoops, I was thinking "solids that were highly significant to Plato" (for which spheres definitely qualify) but of course, as you point out, they're not actual

Whoops, I was thinking "solids that were highly significant to Plato" (for which spheres definitely qualify) but of course, as you point out, they're not actually Platonic solids. Still Plato relate-o though: > Plato's Timaeus proposed that the body of the cosmos was made in the most perfect and uniform shape, that of a sphere containing the fixed stars. (Wikipedia, referencing F. M. Cornford, Plato's Cosmology: The Timaeus of Plato)