It's just an renderings. When I was in Singapore, there were several international students. Hand painting is not very good.
But the introduction is very good.
So you don't have to worry about it. ...
If the computer is good, then you can give full play to your advantages, because computers are basically made. If you can, you can spray wax directly.
But what computers do is relatively simple.
Some exaggerated models in Europe, America and Italy are far behind. If you want to make some achievements in this field, practice more.
After all, the renderings are intuitive and quick.