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\begin{scope}%[rotate=5]
%  \draw[dashed] (Mu2) ellipse (1.5cm and .5cm);
  \draw[dashed] (Mu2) +(1.5,0) arc[x radius=1.5cm,y radius=0.5cm,start angle=0, delta angle=180];
  \draw (Mu2) +(-1.5,0) arc[x radius=1.5cm,y radius=0.5cm,start angle=180, delta angle=180];
\end{scope}

%\draw[dashed, rotate=5] (Mu2) ellipse (1.5cm and .5cm);
\begin{scope}[rotate=5]
    \draw [dashed] (Mu2) + (1.5,0) arc [
        start angle=0, end angle=180, 
        x radius=1.5, y radius=.5
    ];
    \draw (Mu2) + (-1.5,0) arc [
        start angle=180, end angle=360, 
        x radius=1.5, y radius=.5
    ];
\end{scope}

\documentclass{standalone}
\usepackage{tikz}
\usetikzlibrary{calc,intersections}

\begin{document}

\begin{tikzpicture}
			\coordinate (Au1) at (0,0);
			\coordinate (Bu1) at (3,0);
			\coordinate (Cu1) at ($ (Bu1)!1.5cm!45:(4,0) $);
			\coordinate (Du1) at ($ (Au1)!1.5cm!45:(Bu1) $);
			\draw (Au1)--(Bu1)--(Cu1);
			\draw[dashed] (Au1)--(Du1)--(Cu1);
			\coordinate (Mu1) at ($ (Bu1)!.5!(Du1) $);

			\coordinate (Au2) at ($ (Au1)!.5cm!90:(Bu1) $);
			\coordinate (Bu2) at ($ (Bu1)!.5cm!-90:(Au1) $);
			\coordinate (Cu2) at ($ (Bu2)!1.5cm!-135:(Au2) $);
			\coordinate (Du2) at ($ (Au2)!1.5cm!45:(Bu2) $);
			\draw (Au2)--(Bu2)--(Cu2)--(Du2)--cycle;

			\coordinate (Mu2) at ($ (Bu2)!.5!(Du2) $);
			\begin{scope}[rotate=5]
				\draw[dashed] (Mu2) ellipse (1.5cm and .5cm);
			\end{scope}
		\draw (Au1)--(Au2)
					(Bu1)--(Bu2)
					(Cu1)--(Cu2);
		\draw[dashed] (Du1)--(Du2);
		
			\coordinate (Ao1) at ($ (Au2)!5cm!90:(Bu2) $);
		\coordinate (Bo1) at ($ (Bu2)!5cm!-90:(Au2) $);
		\coordinate (Co1) at ($ (Bo1)!1.5cm!-135:(Ao1) $);
		\coordinate (Do1) at ($ (Ao1)!1.5cm!45:(Bo1) $);
		\draw[name path=abo] (Ao1)--(Bo1)--(Co1);
						\draw[dashed] (Ao1)--(Do1)--(Co1);
		\coordinate (Mo1) at ($ (Bo1)!.5!(Do1) $);
		\begin{scope}[rotate=5]
			\draw[dashed] (Mo1) ellipse (1.5cm and .5cm);
		\end{scope}
	
	
	\coordinate (Ao2) at ($ (Ao1)!.5cm!90:(Bo1) $);
	\coordinate (Bo2) at ($ (Bo1)!.5cm!-90:(Ao1) $);
	\coordinate (Co2) at ($ (Bo2)!1.5cm!-135:(Ao2) $);
	\coordinate (Do2) at ($ (Ao2)!1.5cm!45:(Bo2) $);
	\draw (Ao2)--(Bo2)--(Co2)--(Do2)--cycle;
	
	
		\draw (Ao1)--(Ao2)
	(Bo1)--(Bo2)
	(Co1)--(Co2);
	\draw[dashed] (Do1)--(Do2);
	
	\path[name path=hl] ($ (Au2)!.75cm!45:(Bu2) $) -- ++(90:5cm);
	\draw[name path=hr] ($ (Bu2)!.75cm!-135:(Au2) $) -- ($ (Bo1)!.75cm!(Co1) $);
	
	\path[name intersections={of= abo and hl,by=ko}];
	
	\draw ($ (Au2)!.75cm!45:(Bu2) $) -- (ko);
	\draw[dashed] (ko) -- ($ (Ao1)!.5!(Do1) $);
			
		\end{tikzpicture}
\end{document}