using more objects in one Ultimapper

[KLONOA WORKS]

Hi guys

I just wondering is there a way to do Ultimapper for more than one object ?

like example I have Gun model and I separate it into 3 objects, and all follow one UV map.

so is there a way to do Normal map with all the 3 objects with one UV not each UV with the objects.

I don't want to do a merge.