1. Begin a new drawing using a 3D Modeling workspace
2. Choose View, View ports, 2 View ports
3. Press ENTER for the default of two vertical viewports
4. Type PLAN and WORLD for the left view port
5. Choose SE Isometric for the right view port
6. Type THICKNESS at the command prompt
Command: thickness
Enter a new value of thickness <1.000>: 4
7. Draw a 5”, 2” rectangle using in the LINE command in the left view.
The lines will have a 3D “thickness” that can be seen in the 3D view.