Blender provides a number of object modifiers that can be used to quickly alter objects in the scene. In this project only two modifiers, namely Multiresolution and Boolean, will be used. Modifiers can be stacked, turned on and off, and their settings can be changed on the fly. The modifiers are accessed in their own menu in the right-hand side bar.
Begin with an incremental save (Press F2, then Numpad +, and click on Save As Blender File) to set a save point. Then carry out the following steps to create a new modifier: