Beautiful curved grid?

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Autor

OSjerick

Letzte Aktualisierung

vor 10 Jahren

Lizenz

Creative Commons CC BY 4.0

Abstrakt

A variant and a combination of Hering's and Zöllner's illusion. The red grid is completely straight all the time.

Submitted as an answer to the Showcase of Optical Illusions question on TeX SX.

Click the Illusions tag below to see more!

Stichworte

TikZ Optical Illusions

Mehr Beispiele anzeigen

% Source: http://tex.stackexchange.com/a/150306/23931
\documentclass[border=10pt,tikz]{standalone}
\pagecolor{gray!5}
\begin{document}
    \begin{tikzpicture}[x=4cm,y=4cm,every rectangle node/.style={draw,thick,red,rotate=45,minimum width=0.707*4cm,minimum height=0.707*4cm}]
        \foreach \y in {1,...,3}
            \foreach \x in {1,...,3}{%
                \foreach \diameter in {1,...,6}
                    \draw[gray,thick] (\x,\y) circle (1/12*\diameter);
                \node[rectangle] at (\x,\y) {};
            }
    \end{tikzpicture}
\end{document}