\pgfmathparse{-0.15} \let\t\pgfmathresult;
\pgfmathparse{-0.25} \let\tt\pgfmathresult;


\coordinate (A) at (0,0);
\coordinate (B) at (2,0);
\coordinate (C) at (0,2);
\coordinate (D) at (2.0,2.0);

\coordinate (V) at (4,0);



%Draw 3 Nodes
\filldraw (A) circle(1pt);
\filldraw (B) circle(1pt);
\filldraw (C) circle(1pt);

%Node Titles
\draw ($(A)!\tt!(C)$) node {$A$};
\draw ($(B)!\tt!(C)$) node {$B$};
\draw ($(C)!\tt!(B)$) node {$C$};

%Draw 3 Lines
\draw ($(A)!\t!(B)$) -- ($(B)!\t!(A)$);
\draw ($(A)!\t!(C)$) -- ($(C)!\t!(A)$);
\draw ($(C)!\t!(B)$) -- ($(B)!\t!(C)$);

   
\coordinate (A) at ($(A)+(V)$);
\coordinate (B) at ($(B)+(V)$);
\coordinate (C) at ($(C)+(V)$);
\coordinate (D) at ($(D)+(V)$);

%Draw 4 Nodes
\filldraw (A) circle(1pt);
\filldraw (B) circle(1pt);
\filldraw (C) circle(1pt);
\filldraw (D) circle(1pt);

%Node Titles
\draw ($(A)!\tt!(C)$) node {$A$};
\draw ($(B)!\tt!(C)$) node {$B$};
\draw ($(C)!\tt!(B)$) node {$C$};
\draw ($(D)!\tt!(C)$) node {$D$};


%Draw 6 Lines
\draw ($(A)!\t!(B)$) -- ($(B)!\t!(A)$);
\draw ($(A)!\t!(C)$) -- ($(C)!\t!(A)$);
\draw ($(C)!\t!(B)$) -- ($(B)!\t!(C)$);

   
\draw ($(D)!\t!(A)$) -- ($(A)!\t!(D)$);
\draw ($(D)!\t!(B)$) -- ($(B)!\t!(D)$);
\draw ($(D)!\t!(C)$) -- ($(C)!\t!(D)$);

   
