\documentclass[tikz,border=10pt]{standalone}
\usetikzlibrary{braids}

\begin{document}
\begin{tikzpicture}[rotate=90,scale=0.385, every node/.style={scale=0.5}]
\draw[dashed,draw=black, very thick] (0-0.4,0) rectangle ++(3.4,-7.5);
\draw[very thick] (0,0) .. controls ++(0,1.5) and ++(0,1.5) .. (-2,0)
    -- (-2,-7.5) .. controls ++(0,-1.5) and ++(0,-1.5) .. (0,-7.5);
\draw[very thick] (1.3,0) .. controls ++(0,3) and ++(0,3) .. (-3.3,0) 
-- (-3.3,-7.5) .. controls ++(0,-3) and ++(0,-3) .. (1.3,-7.5);
\draw[very thick] (2.6,0) .. controls ++(0,4.5) and ++(0,4.5) .. (-4.6,0)
    -- (-4.6,-7.5) .. controls ++(0,-4.5) and ++(0,-4.5) .. (2.6,-7.5);
\end{tikzpicture}
\end{document}