[CK Help] Do someone know how to add 3 arms for a custom Mr Handy ?

[SammyMemento]

Hi, trying to create a custom Mrs Nanny Paramedic, started with the DLC01dummyMrHandy as a base I know how to change the appearance of robots trough the object template and add parts and armor but for the 3 legs & Eyes of Handy I don't get it the other base model have like 3 times DLC01Bot_Torso_eye part and same for the arms but even if I add those to my custom model I can't achieve more than one eye and arm do someone know how to do it ?