\begin{tikzpicture}[baseline]
\node (x) at (0,.5){};
    \draw (x.45)-- (.5,1);
    \draw (x.135) -- (-.5,1);
    \draw (x.315) -- (.5,0);
    \draw (x.45) -- (-.5,0);
\node (y) at (0,-.5){};
    \draw (y.45)-- (.5,0);
    \draw (y.135) -- (-.5,0);
    \draw (y.315) -- (.5,-1);
    \draw (y.45) -- (-.5,-1);
\end{tikzpicture}