One visual interpretation of the Galactic Library glyph (Library Institute emblem), based on the verbal descriptions in David Brin's "Uplift" series of science-fiction novels (a five-fold spiral with a vertical bar through its center).
Own work - for vector PostScript source code to generate a five-fold Archimedean spiral, see the image description pages of the related images File:Five-fivefold-spirals-quintuple-pentaskelion.svg or File:Five-fivefold-spirals-Pentaskelion-simpler.svg
AnonMoos