\begin{center}
\begin{texdraw}
%\setunitscale 0.3
\drawdim in \linewd 0.015 \setunitscale 0.6
\arrowheadtype t:F
\arrowheadsize l:0.16 w:0.08

%begin arrow
\move(0.26 -2.06)
\avec(4.10 -2.06)
%end arrow
%begin arrow
\move(1.04 -2.06)
\avec(1.04 -0.02)
%end arrow

%begin line
\lpatt(0.03 0.05)
\move(1.04 -2.06)
\lvec(3.82 -1.36)
\lpatt()
%end line

%begin line
\lpatt(0.03 0.05)
\move(1.04 -2.06)
\lvec(0.56 -0.13)
\lpatt()
%end line
%begin arrow
\move(1.04 -2.06)
\avec(2.57 -0.53)
%end arrow

%begin line
\lpatt(0.03 0.05)
\move(2.57 -2.07)
\lvec(2.57 -0.55)
\lpatt()
%end line

%begin line
\lpatt(0.03 0.05)
\move(0.77 -0.96)
\lvec(2.53 -0.56)
\lpatt()
%end line

%begin line
\lpatt(0.03 0.05)
\move(2.58 -0.53)
\lvec(2.84 -1.61)
\lpatt()
%end line
\move(2.65 -1.66)
\clvec(2.71 -1.80)(2.72 -1.92)(2.72 -2.06)
%end bz
%begin arrow
\move(3.73 -1.38)
\avec(3.90 -1.34)
%end arrow
%begin arrow
\move(0.61 -0.34)
\avec(0.56 -0.11)
%end arrow
%begin textrectangle
\textref h:C v:C
\htext (2.85 -0.40){$y$}
%end textrectangle
%begin textrectangle
\textref h:C v:C
\htext (3.00 -1.85){$\theta$}
%end textrectangle
%begin arrow
\move(2.69 -1.78)
\avec(2.66 -1.65)
%end arrow
%begin textrectangle
\textref h:C v:C
\htext (3.92 -1.86){$e_1$}
%end textrectangle
%begin textrectangle
\textref h:C v:C
\htext (1.36 -0.16){$e_2$}
%end textrectangle
%begin textrectangle
\textref h:C v:C
\htext (1.09 -2.27){$\boldsymbol{0}$}
%end textrectangle
%begin textrectangle
\textref h:C v:C
\htext (3.69 -1.19){$e^{\prime}_1$}
%end textrectangle
%begin textrectangle
\textref h:C v:C
\htext (0.29 -0.44){$e_2^{\prime}$}
%end textrectangle

%begin line
\lpatt(0.03 0.05)
\move(2.47 -1.69)
\lvec(2.56 -2.06)
\lpatt()
%end line
\end{texdraw}
\end{center}