Find or add the item to the Estimate Costings that is in m³, click the takeoff tool, and enter the depth in the tool bar before you start drawing.
Step by step instructions:
In the Estimate Costings tab, find or add an item
Choose m³ UOM
Click the take off tool
4. Choose the plan you want to draw your material on to
5. In the tool bar choose the shape you want to draw
6. Enter the depth of the material
7. Zoom in on the plan if you need to
8. Draw the material on the plan
9. Click Accept and Save