when will someone deep into 2d pick up a sculpting program and do the same thing there doing on paper. with a 3d object, you need not be concerned with anything else just make said object. then make another showing the actions, the same as on paper. there wouldnt be any technical limitations it would be purely artistic.
this would be considered a new genre but your just doing the same thing. the 3d object would be the only thing thats different