This example is from the title page of the TikZ and PGF manual.
Update:
Author: Till Tantau Source: The PGF/TikZ manual
Edit and compile if you like:
% Author: Till Tantau% Source: The PGF/TikZ manual\documentclass{minimal}\usepackage{tikz}\usetikzlibrary{trees,snakes}\begin{document}\pagestyle{empty}\tikzstyle{level 1}=[sibling angle=120]\tikzstyle{level 2}=[sibling angle=60]\tikzstyle{level 3}=[sibling angle=30]\tikzstyle{every node}=[fill]\tikzstyle{edge from parent}=[snake=expanding waves,segment length=1mm,segment angle=10,draw]\begin{tikzpicture}[grow cyclic,shape=circle,very thick,level distance=13mm,cap=round]\node {} child [color=\A] foreach \A in {red,green,blue}{ node {} child [color=\A!50!\B] foreach \B in {red,green,blue}{ node {} child [color=\A!50!\B!50!\C] foreach \C in {black,gray,white}{ node {} }}};\end{tikzpicture}\end{document}
Click to download: title-graphics.tex • title-graphics.pdf
Open in Overleaf: title-graphics.tex