So?
![alt text][1]
\documentclass{scrreprt}
\usepackage{tikz}
\begin{document}
\begin{tikzpicture} [>=latex, font=\footnotesize]
%Kosy
\draw [->] (0,0) -- (5,0,0) node [right] {$x$};
\draw [->] (0,0) -- (0,4,0) node [above] {$y$};
\draw [->] (0,0) -- (0,0,5) node [below left] {$z$};
%Freiheitsgrade
%\draw [red, <->] ([shift=(45:2mm)]4.5,0.2,0) arc [start angle=45, end angle=300,radius=0.25cm];
%x-Achse:
\draw[<->] ([shift=(45:3mm)]3,0,0.1) arc (45:300:3mm and 2mm) ; %Bogen mit Zentrum (3,0,0.1)
(1,2)
\draw[<->] ([shift=(45:3mm)]2,0,0.1) arc (45:300:3mm) ; %Ellipsen-Bogen mit Zentrum (2,0,0.1)
%\draw [<->] (0,3,0) arc [start angle=45, end angle=300,radius=0.25cm]; (1,2)
%y-Achse:
\draw[<->] ([shift=(20:3mm)]0,3,0) arc (20:340:3mm and 2mm) ;
%z-Achse:
\draw[<->] ([shift=(0:3mm)]0,0,3) arc (0:350:3mm) ;
%2D Beispiel für verschobenes Zentrum
\fill[red] (3,2) circle (1pt);
\draw[blue] ([shift=(-15:5mm)]3,2) arc (-15:120:5mm) node[right=1.5em]{gut}; %Bogen mit Zentrum (3,2)
\draw[dashed] (3,2) arc (-15:120:5mm) node[above]{schlecht};
\fill[red] (3,2) circle (1pt) node[below]{Z};
\end{tikzpicture}
\end{document}
[1]: http://texwelt.de/wissen/upfiles/aaaaaa22_tgf__--013-12-15_03_2.pnghttp://texwelt.de/wissen/upfiles/aaaaaa22_tgf__--013-12-15_03_3.png