Ornamental four-colored design of interlocked spiral triskelion symbols -- a pattern which is a partial tesselation of the plane.  Includes large triple spiral triskelions, based on three filled mathematical Archimedean spirals (i.e. spiral triskelions of 11/6 turns), interlocked with each other, and also with small (1-turn) triskelions filling the quasi-hexagonal gaps between them.
Own work.  For a single triple-spiral triskelion symbol similar to those interlocked in this graphic (and the Postscript vector source code which generates it), see Image:Triskele-Symbol-spiral-five-thirds-turns.svg .
AnonMoos