I'm a mechanical design engineer, I've used Inventor daily for the past 7yrs and I'm trying to learn 3DS for fun. And man, It's baffling to start with. Still wrapping my head around stuff like quad, retopologise and SubD But the way you make such good looking models, with such a low-poly count is crazy good! And Plasticity looks a lot simpler than 3DS, a lot more like CAD modelling almost