\documentclass[border=8pt, multi, tikz]{standalone} 
\usepackage{import}
\subimport{../layers/}{init}
\usetikzlibrary{positioning}
\usetikzlibrary{3d} %for including external image 


\def\ConvColor{rgb:yellow,5;red,2.5;white,5}
\def\ConvReluColor{rgb:yellow,5;red,5;white,5}
\def\PoolColor{rgb:red,1;black,0.3}
\def\UnpoolColor{rgb:blue,2;green,1;black,0.3}
\def\FcColor{rgb:blue,5;red,2.5;white,5}
\def\FcReluColor{rgb:blue,5;red,5;white,4}
\def\SoftmaxColor{rgb:magenta,5;black,7}   
\def\SumColor{rgb:blue,5;green,15}


\newcommand{\copymidarrow}{\tikz \draw[-Stealth,line width=0.8mm,draw={rgb:blue,4;red,1;green,1;black,3}] (-0.3,0) -- ++(0.3,0);}

\begin{document}
\begin{tikzpicture}
	\tikzstyle{connection}=[ultra thick,every node/.style={sloped,allow upside down},draw=\edgecolor,opacity=0.7]
	\tikzstyle{copyconnection}=[ultra thick,every node/.style={sloped,allow upside down},draw={rgb:blue,4;red,1;green,1;black,3},opacity=0.7]


	\pic[shift={(0,0,0)}] at (0,0,0)
	{Box={
				name=conv1,
				caption= ,
				xlabel={{64, }},
				zlabel=512,
				fill=\ConvColor,
				height=64,
				width=2,
				depth=64
			}
	};


	\pic[shift={ (0,0,0) }] at (conv1-east)
	{Box={
				name=pool1,
				caption= ,
				fill=\PoolColor,
				opacity=0.5,
				height=32,
				width=1,
				depth=32
			}
	};


	\pic[shift={(1,0,0)}] at (pool1-east)
	{Box={
				name=conv2,
				caption= ,
				xlabel={{64, }},
				zlabel=128,
				fill=\ConvColor,
				height=32,
				width=2,
				depth=32
			}
	};


	\draw [connection]  (pool1-east)    -- node {\midarrow} (conv2-west);


	\pic[shift={ (0,0,0) }] at (conv2-east)
	{Box={
				name=pool2,
				caption= ,
				fill=\PoolColor,
				opacity=0.5,
				height=28,
				width=1,
				depth=28
			}
	};


	\pic[shift={(3,0,0)}] at (pool1-east)
	{Box={
				name=soft1,
				caption=SOFT,
				xlabel={{" ","dummy"}},
				zlabel=10,
				fill=\SoftmaxColor,
				opacity=0.8,
				height=3,
				width=1.5,
				depth=25
			}
	};


	\draw [connection]  (pool2-east)    -- node {\midarrow} (soft1-west);


\end{tikzpicture}
\end{document}