Hi Ivan, so do you mean something like modify a curved object from one centerline path to another?

There is a "Flow" command in MoI that can be used for that, there is some information on it here:
http://moi3d.com/3.0/docs/moi_command_reference8.htm#flow

Usually it's used to map objects from a straight line onto a curve but it's also possible to map between 2 curved centerlines as well.

It might help if you could give some more details about what you're trying to do.

- Michael