Use this procedure to change the thickness of a slab or roof slab in a 3D isometric view.
- Select the slab or roof slab.
- Select the Thickness grip.
- Enter a value to specify the desired thickness, or move the cursor until the desired value is displayed, and then click.
![](../images/GUID-DFDD382E-866E-4D81-8746-7FB8D169DEAC.png)
Changing the thickness of a slab using the Thickness grip