\input fig4tex.tex

% 1. Definition of characteristic points
\figinit{1.2cm}
\figpt 0:(0,0)
%
% 2. Creation of the graphical file
\figdrawbegin{}
\figdrawarcell 0; 3,0.9 (0,360,0)
\figdrawarcell 0; 3,0.79 (0,360, 30)
\figdrawarcell 0; 3,0.79 (0,360,-30)
\figdrawend
%
% 3. Writing text on the figure
\figvisu{\figBoxA}{}{%
}
\centerline{\box\figBoxA}
\bye