Initial relax box after applying displacement

Hi my friends!
I have a relaxed box,now I apply displacement in x & y direction.after that, I want to have my initial relax box.what do I do?

Thanks;

Nili

After you change the unit cell, follow the same protocol that you followed for obtaining a relaxed box for the initial unit cell.

Hi my friends!
I have a relaxed box,now I apply displacement in x & y direction.after
that, I want to have my initial relax box.what do I do?