facade on the mass - but on the other face of the surface

[kubbah]

Hello
I applied a facade system on a curved surface, but would I like the facade to be generated on the other side of the surface?
How do I check on which face of the surface the façade system is applied?

Thank you very much
a greeting

 

[Alfredo Medina]

I don't think it's possible as a façade system, but as a model lowered family on a split surface, and using the "flip" option, so: