I suppose, for balance, usually the one with big jubblies has big booties to boot so they won't be top heavy.
It is an interesting thought that some geeks would turn into evil mad scientists just to meet "girls with great big tits" as the pythons would put it. . . . Sometimes I think I'm in the wrong line of work.
Here's another update. I manage to get a bit of work done today. Finished blocking the muscles and all. I hope she'd turn out muscular without becoming the incredible hulk. Strangely, the thigh looks a bit too big in this cap, but I don't think it's actually that big on the model.....
Isometric view is weird when seen from above, heres a persp view of the same: