Yes, definitely start with modeling. It is the first thing in the 3D process and everything else is dependent on the model. Check out the introductory flow as it is geared towards newcomers as well as explains why modelers do the things they do to make the rest of the process easier at the different steps. It’s a good idea to go through the whole pipeline to gain an understanding of how each section is dependent on the previous as well as how to make it easier for the next step, then you can specialize.
