 Bevel Tool - Inner/Outer bevel
Bevel Tool - Inner/Outer bevel

Bevels can be:
 Inner - displays the bevel inside the object. The size of the objects remains the same.
 Inner - displays the bevel inside the object. The size of the objects remains the same.
 Outer - displays the bevel outside the object and makes it bigger.
 Outer - displays the bevel outside the object and makes it bigger.
Which you use depends on the effect you want to create.