A beautiful, but slightly psychedelic pattern. Note how commands from the ifthen package have been used to alternate between black and red squares.
| Author: | Alain Matthes |
|---|
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\documentclass{article}
\usepackage{tikz,ifthen}
\begin{document}
\thispagestyle{empty}
\begin{tikzpicture}
% Specify the initial square
\path (0,0) coordinate (A) (12,0) coordinate (B)
(12,12) coordinate (C) (0,12) coordinate (D);
\foreach \i in {1,...,14}{
\ifthenelse{\isodd{\i}}{\def\couleur{black}}{\def\couleur{red}}
\draw[fill=\couleur] (A)--(B)--(C)--(D)--cycle;
\path (A) coordinate (TMP);
\path (A)--(B) coordinate[near end] (A)
--(C) coordinate[near end] (B)
--(D) coordinate[near end] (C)
--(TMP) coordinate[near end] (D);
}
\end{tikzpicture}
\end{document}
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