OverviewSnap
Make objects (according to their bounding box) snap to grid cells when moved around the work area. This feature can be used to precisely position your objects.
Note: The grid must be enabled for the snap to grid feature to work. You can turn on the grid by selecting View > Grid, or by enabling it in the grid preferences.
Snap the top left corner of objects to the top left corner of grid cells.
Snap the left side of objects to the left side of grid cells.
Snap the bottom left corner of objects to the bottom left corner of grid cells.
Snap the top of objects to the top of grid cells.
Snap the bottom of objects to the bottom of grid cells.
Snap the top right corner of objects to the top right corner of grid cells.
Snap the right side of objects to the right side of grid cells.
Snap the bottom right corner of objects to the bottom right corner of grid cells.