最懒惰的方法,当二维图画。
\documentclass[border=2pt, tikz]{standalone}
\usetikzlibrary{calc}
\begin{document}
\begin{tikzpicture}[scale=5]
\coordinate (B) at (0,0);
\coordinate (A) at ($(B)+(45:1)$);
\coordinate (D) at ($(B)+(0:1.25)$);
\coordinate (C) at ($(B)+(-20:1)$);
\draw [thick] (B)--(A)--(D)--(C)--cycle (A)--(C);
\coordinate (B') at ($(B)!.5!(A)$);
\coordinate (C') at ($(A)!.45!(C)$);
\coordinate (D') at ($(A)!.5!(D)$);
\coordinate (F) at ($(D)!.5!(C)$);
\coordinate (E) at ($(C)!.5!(B)$);
\coordinate (G) at ($(B)!.55!(D)$);
\coordinate (M) at ($(B')!.5!(F)$);
\draw [dashed] (B)--(D) (B')--(F) (D')--(E);
\foreach \x in {C',G,M} \fill (\x) circle (.25pt);
\node at (A) [above] {$A$};
\node at (B') [above left,inner sep=0pt] {$B'$};
\foreach \x in {B,C'} \node at (\x) [left] {$\x$};
\node at (E) [below left] {$E$};
\node at (M) [left=.1cm] {$M$};
\node at (D') [above right] {$D'$};
\node at (D) [right] {$D$};
\node at (F) [below right] {$F$};
\foreach \x in {C,G} \node at (\x) [below] {$\x$};
\end{tikzpicture}
\end{document}
问 如何用tikz包绘制这个四面体图?