To edit display model properties

In AutoCAD Map 3D toolset, in the Maintenance workspace, open a project.
Click Home tab > Display panel > Edit Display Model.
If you have not loaded a display model yet, click Open Display Model and select a display model before clicking Edit Display Model.
In the Display Model Edit dialog box, under Display Model Repository, select the display model.
Right-click, and click Open Display Model.
On the right pane, edit the display model. For example, change the draw order.
To review the changes, click Apply.
The command closes the Display Model Manager, and performs a Generate Graphic.
To save the changes, click Home tab > Display panel > Save Display Model.