The problem is that there are a zillion of morphs you would have to do this for all and their combinatons, this is not possible. annother approach would be to do this in python -this might be possible, but I dont have time for it. The picture is an example from 31 kilos to 82 kilos at 165 cm body height with a body mass index from 11 to 30. Ths was made for illustrating body mass indices, Mungo