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Hello Thorsten,

Thank you very much for your help. I appreciated a lot your tip. I didn't know the packages pgf /TikZ. And it looks like a really powerful tool.

I am posting the solution, maybe can help others.
\documentclass{article}
\usepackage{tikz}

\newcommand{\newsymbol}{
\begin{tikzpicture ...

Hi everybody,

My name is Leandro. I already used this forum a lot of times to solve some "problems". At this time I didn't find the answer.

I would like to add some \bullet in my text. But I want bullets with different draw color and fill color (like Matlab does, for example see attachment).

Does ...