The smallest cubic graph of girth 5, drawn using TikZ.

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

\begin{document} \begin{center} \begin{tikzpicture}[style=thick] \draw (18:2cm) -- (90:2cm) -- (162:2cm) -- (234:2cm) -- (306:2cm) -- cycle; \draw (18:1cm) -- (162:1cm) -- (306:1cm) -- (90:1cm) -- (234:1cm) -- cycle; \foreach \x in {18,90,162,234,306}{ \draw (\x:1cm) -- (\x:2cm); \draw (\x:2cm) circle (2pt); \draw (\x:1cm) circle (2pt); } \end{tikzpicture} \end{center}\end{document}

See also: Original Source by Rafael

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