I think you have to learn how to draw. That’s where I feel like I’m at, at this point I could create pretty much anything in 3D, but since I can’t draw the concepts I’m stuck. These days I often find myself modeling stuff just because I need a picture of it, I modeled a whole city scene the other day just so I could have a picture to hang on the wall in another scene. And when it comes to character modeling I just can’t get further without knowing how to draw properly. I feel as though when I learn how to draw it will be a bit like going from imitating to creating. You might want to check out Yan’s Daily Tips #082 on YT for inspiration, helped me.