With the box command, a box is created from 3D objects.
Location of Box Command
You can access it under the ribbon menu Home tab Entities title.
Click the Box icon in the ribbon menu .
The 3D Geometric Objects toolbar will open. Enter the height of the box object in the value box.
Click the left mouse button to create your first point.
Your second point will define the edge of your box.
When you create your third point, your box object will also be created with.
Value the 3D geometric objects toolbar height box
Creating the first point of the box
Formation of the second point
Creation of the third point