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

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

\begin{document}

\begin{tikzpicture}[line join=bevel]
	\draw[thick] (0.2,0.8)--(4.6,0.2)--(4.6,4.6)--(0.2,5.2)--cycle;%BCGF
	\draw[thick] (4.6,0.2)--(7.2,2.6)--(7.2,7)--(4.6,4.6);%CDHG
	\draw[thick] (7.2,7)--(2.8,7.6)--(0.2,5.2);%HEF
	\draw[thick,dashed] (0.2,0.8)--(2.8,3.2)--(7.2,2.6);%BAD
	\draw[thick,dashed] (2.8,3.2)--(2.8,7.6);%AE
	\draw[blue!50!black,very thick] (5,7.3)--(0.2,5.2)--(4.6,0.2);%I-F-C
	\draw[blue!50!black,very thick,dashed] (5,7.3)--(4.6,0.2);%IC
	\foreach \Point/\Nom/\Pos in {(2.8,3.2)/A/left,(0.2,0.8)/B/left,(4.6,0.2)/C/below right,(7.2,2.6)/D/right,(2.8,7.6)/E/above,(0.2,5.2)/F/left,(4.6,4.6)/G/below left,(7.2,7)/H/above right,(5,7.3)/I/above,(2.4,4.9)/J/above}
	\filldraw \Point circle[radius=2pt] node[\Pos] {\Nom} ;
\end{tikzpicture}

\end{document}