An icosahedron in fake 3d

\begin{tikzpicture}
  \begin{scope}[rotate=90]
    \grIcosahedral[form=1,RA=3,RB=1.5]
    \SetUpEdge[color=white,style={double=black,double distance=2pt}]
    \EdgeInGraphLoop{a}{6}
    \EdgeFromOneToSel{a}{b}{0}{1,5}
    \Edges(a2,b1,b3,b5,a4)
    \Edge(a3)(b3)
    \Edges(a1,b1,b5,a5)
    \Edges(a2,b3,a4)
  \end{scope}
\end{tikzpicture}

See also: Original Source by Rafael