3D Text Clear

Hello, i want to make a 3d text like this:

http://docs.unity3d.com/Documentation/Images/manual/class-TextMesh-0.jpg

But mine looks really like s**t:

http://img12.imageshack.us/img12/7855/20121130174542.png

How can i make it look clear?

Make font bigger and resize it smaller in editor.