\documentclass{article}
\usepackage{tikz}

\begin{document}
	\begin{center}
		\begin{tikzpicture}[line width=0.5pt]
		\filldraw [fill=white] (0,0) circle [radius=3cm]
		\foreach \i in {0,30,...,360} {--(\i:2.8) node{$\bullet$}}
;
		\foreach \angle [count=\xi] in {60,30,...,-270}
		{\draw[line width=1pt] (\angle:2.8cm) -- (\angle:3cm);
			\node[font=\large] at (\angle:2.2cm) {\xi};}
		\foreach \angle in {0,90,180,270};
		\foreach \angle in {60,30,...,-270}
		{\draw[fill=black] (\angle:2.8cm) circle (0.1pt);
		}
		\end{tikzpicture}
	\end{center}
\end{document}