This chapter will employ a new method for changing the dimensions and placement of objects that is perhaps simpler than methods in the previous chapters, but less natural. In the Properties side bar, usually hidden on the right side of the 3D View panel, the location and dimensions of objects can be directly manipulated.
Add (Shift + A) a cube. Name this cube
BoxExterior. Bring up the properties sidebar either by clicking on the tab with a plus on the right of the 3D View panel or by pressing N. Locate the Dimensions under the Transform section. Change the Dimensions to X: