Cube Object
Cube Object

This command creates, by default, a cube whose sides are parallel to the coordinate axes of the world system. You can create many arbitrary cuboids by adjusting the various options. Rounded edges are optional.
The cube has three handles:
To re-size the cube interactively in the viewport, drag its handles.If you enable the Fillet option, three further handles appear:
Additional handles of the cube primitive appear when Fillet is enabled.