Use this method to place a vault-shaped Shell profile, then extrude it graphically.
The Shell’s profile here is always a half-circle (vault). (You can edit the profile later.)
1.Activate the Shell Tool and choose the extruded geometry method with simple input method.
On the Floor Plan or 3D Window:
2.Click twice to define the Shell’s extrusion length.
3.Click a third time to define the width of the Shell Profile.
4.The Shell is complete.
