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I want to get the following image, wich consists on two horizontal loops, by using Tikz (or Tikz-feynman).

horizontal double loop

I know that probably I have to use the parameter "arc", but I get very confused with it and I can not find the desired result

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  • 2
    This looks more to a pair of glasses than to the infinity symbol… ;-)
    – Bernard
    Dec 10, 2020 at 13:59
  • You should always show what you have tried - even if it is just a compilable document with a single line or circle. Dec 10, 2020 at 14:34

1 Answer 1

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\documentclass[tikz, border=1cm]{standalone}
\begin{document}
\begin{tikzpicture}
\fill (-1,0) circle[radius=0.1];
\fill (1,0) circle[radius=0.1];
\draw[very thick] (-1,0) to[out=55, in=125, looseness=1.5] (0,0) to[out=-55, in=-125, looseness=1.5] (1,0);
\draw[very thick] (-1,0) to[out=-55, in=-125, looseness=1.5] (0,0) to[out=55, in=125, looseness=1.5] (1,0);
\end{tikzpicture}
\end{document}

Infinity symbol

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