\documentclass{article}\usepackage{tikz}\pagestyle{empty}

\begin{document}\begin{center} \begin{tikzpicture}[style=thick] \foreach \x in {0,15,...,345} { \draw (\x:3cm) circle (2pt) -- (\x+15:3cm); } \foreach \x in {0,45,...,135} { \draw (\x:3cm) circle (2pt) -- (\x+180:3cm); } \foreach \x in {15,60,...,330} { \draw (\x:3cm) circle (2pt) -- (\x+105:3cm); } \end{tikzpicture}\end{center}\end{document}

See also: Original Source by Rafael

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