how to create flat but inclined surfaces?

[fra.c]

I probably explained badly. ..I would like to be able to realize a cover in glass panels but the various panels would be tilted so as to create an oval cover so the various panels could not create them as a layer.
How can you do that?

 

[DarthVader]

or with a mesh that then transforms the ground with the appropriate and free addon, or with the curten wall

 

[fra.c]

or with a mesh that then transforms the ground with the appropriate and free addon, or with the curten wall

but could one give every edge of the layer a different height? what is it?

 

[DarthVader]

mesh to roof