1.Select the object to deform
2. Activate the animation menus
3.Open the Create Deformers menu
click on Lattice
4. In the right panel, have the attribute editor opened.
You can adjust the latice divisions
5. Hold right button mouse add select Latitce point
6. Now you can edit the points and move them as needed to remake the shape.
7. When you are satisfied with the result, go to edit- Delete All by Type- History
The latice shape will be cleared