使用 TikZ 绘制随机开集

Question

如何用 TikZ 绘制随机集？

Answer 1

大部分工作正常...

\documentclass[tikz, border=5]{standalone}
\begin{document}
\tikz\foreach \i in {0,...,2}\foreach \j in {0,...,2}
  \draw [blue!50!cyan, dashed, ultra thick, shift={(\j*6,\i*6)}] 
    plot [smooth cycle, tension=1, domain=0:320, samples=18] (\x:{2+rand/2});
\end{document}