In order to do that, we need a new class inside Editor folder (see Special Folder Names ). Otherwise you might get multiple controls on top of each other. If you really want to place a button in between the controls before you won't come around implementing the Editor for the entire inspector instead of using DrawDefaultInspector since it also means that you would have to make space for the button. This visualizes the distance values under Press. When you select the cube, you will see multiple colored layers on the object.