I think it will not work in the blueprint editor viewport. Probably you could place your bp into a level, select, move and snap its components then apply the changes to the blueprint (there is a button above the properties panel for doing that).
I think it will not work in the blueprint editor viewport. Probably you could place your bp into a level, select, move and snap its components then apply the changes to the blueprint (there is a button above the properties panel for doing that).