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

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

\begin{document}

\begin{tikzpicture}[scale=0.95,every node/.style={scale=0.85}]
	\draw[semithick] (0.3,3.9)--(0.3,0.7)--(2.7,0.3)--(2.7,3.5)--cycle;%GCBF
	\draw[semithick] (2.7,0.3)--(6,1.1)--(6,4.3)--(2.7,3.5);%BAEF
	\draw[thick,dotted] (0.3,0.7)--(3.6,1.5)--(6,1.1);%CDA
	\draw[thick,dotted] (3.6,1.5)--(3.6,4.7)--(3.1,5.6);%DHS
	\draw[thick,dotted] (0.3,3.9)--(3.6,4.7)--(6,4.3);%GHE
	\draw[semithick] (6,4.3)--(3.1,5.6)--(2.7,3.5);%ESF
	\draw[semithick] (3.1,5.6)--(0.3,3.9);%SG
	\draw[semithick] (4.3,4.8)--(4.3,5.35);%PQ
	\draw[thick,->,>=latex] (3.6,1.5)--(3.05,1.37);
	\draw[thick,->,>=latex] (3.6,1.5)--(4.2,1.4);
	\draw[thick,->,>=latex] (3.6,1.5)--(3.6,2.3);
	%labels
	\draw(6,1.1) node[right] {A} ;
	\draw(2.7,0.3) node[below] {B} ;
	\draw(0.3,0.7) node[below left] {C} ;
	\draw(3.6,1.5) node[below] {D} ;
	\draw(6,4.3) node[above right] {E} ;
	\draw(2.7,3.5) node[below left] {F} ;
	\draw(0.3,3.9) node[left] {G} ;
	\draw(3.6,4.7) node[above right] {H} ;
	\draw(3.1,5.6) node[above] {S} ;
	\draw(4.3,4.8) node[below] {P} ;
	\draw(4.3,5.35) node[above] {Q} ;
	\draw(3.05,1.37) node[above] {I} ;
	\draw(4.2,0.9) node[above right] {J} ;
	\draw(3.6,2.3) node[right] {K} ;
	\draw(3.32,1.42) node[below] {$\vv{\imath}$} ;
	\draw(3.9,1.3) node[above] {$\vv{\jmath}$} ;
	\draw(3.6,1.9) node[left] {$\vv{k}$} ;
\end{tikzpicture}

\end{document}