\input{Figs/Klein.Base.tikz};

\fill (M) circle(2pt) node [left] {$M~$};

\tkzLabelAngle[pos=0.5](P,O,M) {$\frac{\theta}{2}$};

\tkzMarkSegment[mark=|](Q,M);
\tkzMarkSegment[mark=|](P,M);

\tkzMarkSegment[mark=|||](Q,FP);
\tkzMarkSegment[mark=|||](P,FQ);

\tkzMarkSegment[mark=||](Q,O);
\tkzMarkSegment[mark=||](P,O);

\tkzMarkAngle[size=0.85,mark=|](P,O,M);
\tkzMarkAngle[size=0.85,mark=|](M,O,Q);

\tkzMarkAngle[size=0.75,mark=||](O,Q,M);
\tkzMarkAngle[size=0.75,mark=||](M,P,O);

\tkzMarkRightAngle[size=0.25](P,M,FP);
\tkzMarkRightAngle[size=-0.25](O,P,FP);
\tkzMarkRightAngle[size=-0.25](FQ,Q,O);

\tkzMarkAngle[size=0.75,mark=|||](Q,FQ,M);
\tkzMarkAngle[size=0.75,mark=|||](M,FP,P);

%Last!!
\input{Figs/Klein.Focus.tikz};
