Dashed Lines

1. Select a round brush with the size (diameter) of 4.
2. Go to brushes. (Cant find it? Window -> Brushes) and press Brush Tip Shape.
Roundness: 20%
Spacing: 1000%
3. Press Shape dynamics. Leave everything blank, except Angel Jitter –> Control. Select Direction.

And now you are ready to make dashed lines!

Dotted lines in different sizes

1. Select a round brush with the size (diameter) of 4.
2. Go to brushes. (Cant find it? Window -> Brushes) and press Brush Tip Shape.
Spacing: 600%
3. Press Shape dynamics. Size Jitter:100%, Pen Pressure. Angle Jitter: 0%, Direction.

And now you are ready to make dotted lines in different sizes!