CHANGE THE PROFIL OF THE WALL

We can change the interface of the wall. See below.

1. You should draw a wall as shown below.

2.  Draw a line as below.

3. Draw an arc. This arc will be drawn on the surface of the wall.

4. Erase the previous line .

5. With Push/pull tool push the surface as shown below.

The result:

6. Draw a line as below:

7.  Again, With Push/pull tool push the surface as shown below.

And the final result is :