PS: if you have a seriously good 3d point stack, you can see the dolphin in the woman topview
Graphit Modelling is nice,but specialises on the organic, static - not to complex model. Which admittetly most are
https://www.youtube.com/watch?v=B5BKmZJdvxU
This sounds promising:
http://www.meyumer.com/semantic_editing.html
Anyone having a betterr process ?