When you do start drawing focus on small things at first because if you look at most of these drawings theyre made 3D by the shadows that were drawn in. Understanding how to draw shadows and use them to make your drawings "come to life" is something I think you should research quite abit if your going to try to make your drawings 3D. Heres a link that might help http://www.dummies.com/how-to/conten...d-shadows.html and this drawing tutorial. https://www.youtube.com/watch?v=R9G9UeNomAE
