% Author: Dr. Matthias Jung, DL9MJ
% Year: 2020
\begin{circuitikz}
    %%%
    \draw[line width=12,line cap=round] (3.00,2)    -- (4.20,4.2);
    \draw[line width=12,line cap=round] (2.75,4.5)  -- (4.00,5.1);
    \draw[line width=12,line cap=round] (3.20,6.40) -- (4.5,5.8);
    \draw[line width=12,line cap=round] (4.5,7.3)   -- (5.1,6.1);
    \draw[line width=12,line cap=round] (5.9,7.1)   -- (5.8,5.8);
    \draw[line width=12,line cap=round] (7,6)       -- (6,5.1);
    \draw[line width=12,line cap=round] (7.2,4.5)   -- (5.8,4.2);
    %%%
    \path [draw=black,fill=lightgray, even odd rule]
        (5,5) circle (2.1) (5,5) circle (1.3);
    %%%
    \draw[line width=12,line cap=round] (4.20,4.2) -- (2.75,4.50);
    \draw[line width=12,line cap=round] (4.00,5.1) -- (3.20,6.40);
    \draw[line width=12,line cap=round] (4.5,5.8)  -- (4.5,7.3);
    \draw[line width=12,line cap=round] (5.1,6.1)  -- (5.9,7.1);
    \draw[line width=12,line cap=round] (5.8,5.8)  -- (7,6);
    \draw[line width=12,line cap=round] (6,5.1)    -- (7.2,4.5);
    \draw[line width=12,line cap=round] (5.8,4.2)  -- (7,2);
\end{circuitikz}