llulltikz/4.tex at main · lambdion/llulltikz · GitHub

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\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{decorations.text}

\begin{document}

\begin{tikzpicture}

% Rings
\foreach \r in {2,2.7,3.4,4.1}
  \draw (0,0) circle [radius=\r cm];

% Rays
\foreach \x in {0,...,8}
  \draw (270+40*\x:2cm) -- (270+40*\x:4.1cm);

% Rings of Letters
\foreach \y in {0,1,2} {
  % Letters
  \foreach \x in {0,...,8} {

    \pgfmathparse{{"G","H","I","K","B","C","D","E","F"}[\x]}
    \edef\letter{\pgfmathresult}

    \draw [decoration={
            text along path,
            text={\letter},
            text align={center}
           },
           decorate]

      (270-40*\x:2.2cm+0.7cm*\y) % Start Location

      arc[start angle=270-40*\x,
          delta angle=-40,
          radius=2.2cm+0.7cm*\y];
  }
}

\end{tikzpicture}

\end{document}