% !TeX TXS-program:compile = txs:///pdflatex

\documentclass[margin=5mm]{standalone}
\usepackage{tikz}

\begin{document}

\begin{tikzpicture}[>=latex]
	%axes
	\draw[line width=1.25pt,->] (0,0)--(0,5) node[above] {$z$} ;
	\draw[line width=1.25pt,->] (0,0)--(4.5,-1.55) node[below right] {$y$} ;
	\draw[line width=1.25pt,->] (0,0)--(-4,-2) node[below left] {$x$} ;
	%cube
	\draw[line width=2pt,line join=bevel] (-2.4,-1.2)--(0.5,-2.2)--(2.9,-1)--(2.9,2.4)--(0,3.4)--(-2.4,2.2)--cycle; %BCDHEF
	\draw[line width=2pt,line join=bevel] (-2.4,2.2)--(0.5,1.2)--(2.9,2.4) (0.5,1.2)--(0.5,-2.2) ;%FGH & GC
	%divers
	\draw[dashed,line width=1.5pt] (-2.4,-1.2)--(2.9,2.4) ;
	\filldraw (-0.65,-0.0113) circle[radius=2pt] ;
	%labels
	\foreach \Point/\Nom/\Pos in {(-0.65,0.093)/M/above left,(-2.4,-1.2)/B/below,(0.5,-2.2)/C/below,(2.9,-1)/D/below,(2.9,2.4)/H/right,(0,3.4)/E/above right,(-2.4,2.2)/F/left,(0,0)/A/below,(0.5,1.2)/G/above}%
	\draw \Point node[\Pos] {\Nom} ;
\end{tikzpicture}

\end{document}