Use this procedure to create a Dome mass element. The insertion point of the Dome mass element is at the centroid of its bottom face.

Dome mass element in 3D and plan views
- On the Massing tool palette, select the Dome tool.
Alternatively, you can click
.
- Specify the insertion point of the Dome.
- Drag the cursor and specify the radius of the Dome.
- Enter a rotation angle, or press Enter to accept the default angle of 0.
- Continue adding Dome mass elements, and press Enter.