union walls under the cover layer

[car1981]

Hello since I've been interfaced on autocad 3d I have a problem I can't perfectly adhere to the walls under the cover layer. would you know how to cut them or edit them? Thank you so much!

 

[Tristan]

or go slice or boolean operations.

 

[car1981]

I tried, but the over wall is not eliminated. I attach photos.

 

[Tristan]

What command did you use?

 

[car1981]

What command did you use?

I used the trancia command or boolean subtract!

 

[car1981]

Thank you very much!