Create Mesh Box

1. Mesh Modeling tab > Primitives panel > Mesh Box

2. Render tab > Edge Effects panel > Isolines

3. Specify the location of opposite corners for the box base

4. Click and drag to define the height of the box or enter the height of the box

5. The mesh box in the wireframe visual style is completed

6. Render panel > Visual Styles panel > Conceptual

7. The mesh box in the conceptual visual style is completed

8. Select the box. In the Quick Properties panel, set the Smoothness to Level 2

9. The smoothed mesh box is completed