Snapping properties
The snapping properties allow you to divide the scene into a grid and place the objects in the cells of the grid. This is a very useful technique to keep the objects properly aligned.
Enabled property: activates the snapping. You can change the value in the Inspector view with the
E
key.Snapping Width and Height: is the size of the grid to snap the objects. You can change it in the Inspector view. Also, you can select an object and execute the Snap To Object Size command.