I am really just starting out.
But already it seems to be that you can do a lot of the cool 3d shadowing that you might do with a true 3d Modeling software (like Maya ) in photoshop.
For example, can anyone tell me how I could do this sort of box-like shadowing and shading like this:
![user added image](https://i67.photobucket.com/albums/h292/Athono/folder_trillia_5_01.png)