Ok guys I've managed to fit the head on the V2 body pretty well using Yamato's tutorial but I have run into a problem (circled in the immage above), it happens when the arm is bent, and something similar happens with the legs also I don't know much about modeling but I belive it might have to do something with the geometry file. now I ask the experts how do I fix this and can it be fixed within Poser?

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