34sIPZ
Written on June 24, 2019
% Dans le préambule
% -----------------
\usepackage{pstricks-add}
% -----------------
\psset{unit=1.5}
\begin{pspicture*}(-1,-1)(1,1)
\pscircle(0,0){1}
\multido{\nC=0+30}{12}{
\pscircle(1;\nC){1}
}
\end{pspicture*}