\newcommand\sillyshape{%
  \begin{picture}(2000,2000)
    \thicklines
    \put(1000,1000){\arc(0,1000){360}}
    \put(1000,-498){\arc(662,749){83}}
    \put(1000,2498){\arc(-662,-749){83}}
  \end{picture}}
