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

\documentclass[margin=5mm]{standalone}
\usepackage{tikz3d-fr}

\begin{document}

\begin{EnvTikzEspace}[VueClassique]
	\PlacePointsEspace[]{A/0,0,0/bg B/4,0,0/bd C/4,4,0/hd D/0,4,0/hg E/0,0,4/hg F/4,0,4/hg G/4,4,4/hd H/0,4,4/hg I/4,0,{2*4/3}/d}
	\TraceSegmentsEspace[thick,dashed]{A/D D/C D/H}
	\TraceSegmentsEspace[thick]{A/B B/C C/G G/H H/E E/A E/F B/F F/G}
	\MarquePointsEspace[]{A,B,C,D,E,F,G,H,I}
\end{EnvTikzEspace}

\end{document}