diff --git a/unit-circle-covering.tikz b/unit-circle-covering.tikz
@@ -1,14 +1,40 @@
% This picture represents the universal convering of the unit circle
% Copyright Pablo (C) 2021
\begin{tikzpicture}[scale=0.75]
-\begin{scope}[shift={(-3.5, -1)}]
- \begin{axis}[view={0}{60}, axis lines=none, ymin=-2, ymax=5, xmin=-2, xmax=2]
+\begin{scope}[shift={(-3.5, -2.75)}]
+ \begin{axis}[
+ view={0}{60},
+ axis lines=none,
+ ymin=-2,
+ ymax=.5,
+ xmin=-1,
+ xmax=1
+ ]
+ \addplot3[
+ very thick,
+ domain=-1.25*pi:6.25*pi,
+ samples = 200,
+ samples y=0
+ ]
+ ({0.25 * sin(deg(-x))}, {0.17 * cos(deg(-x))}, {-x});
- \addplot3 [very thick, domain=-1.25*pi:6.25*pi, samples = 200, samples y=0] ({0.5 * sin(deg(-x))}, {0.5 * cos(deg(-x))}, {-x});
+ \addplot3[
+ very thick,
+ dotted,
+ domain=-1.5*pi:-1.25*pi,
+ samples = 200,
+ samples y=0
+ ]
+ ({0.25 * sin(deg(-x))}, {0.17 * cos(deg(-x))}, {-x});
- \addplot3 [very thick, dotted, domain=-1.5*pi:-1.25*pi, samples = 200, samples y=0] ({0.5 * sin(deg(-x))}, {0.5 * cos(deg(-x))}, {-x});
-
- \addplot3 [very thick, dotted, domain=6.25*pi:6.5*pi, samples = 200, samples y=0] ({0.5 * sin(deg(-x))}, {0.5 * cos(deg(-x))}, {-x});
+ \addplot3[
+ very thick,
+ dotted,
+ domain=6.25*pi:6.5*pi,
+ samples = 200,
+ samples y=0
+ ]
+ ({0.25 * sin(deg(-x))}, {0.17 * cos(deg(-x))}, {-x});
\end{axis}
\end{scope}