Snap to
Grid
The cursor position is determined from the grid size, you don't
have to fine tune the position.
8.2.3 Setting up Grids
Grid Size (pixels)
Select the grid size from a list.
If the list does not have the desired size,
display the [Edit Grid Size] dialog box and specify the width and
height.
Show Grid
Designate whether or not to show a grid.
Select the display order from [Back] or
[Front].
Select the shape from [Grid] or [Dot].
Display set colors. to change, click [Change
Color] and select the color that you want to display from the color
palette.