I'm using tikz for drawing, and the label are to big, I'm using the font=\tiny parameter, but it's still to big.
How can I reduce more the font size?
\draw [<->,line width=0.02cm] ($(first_joint.center) + (0.75, 0)$) node (yaxis) [above, font=\tiny] {$y_{_1}$}
-| ($(first_joint.center) + (0, -0.75)$) node (xaxis) [left, font=\tiny] {$x_{_1}$};

scale. – Marco Daniel Feb 17 '13 at 10:15