New Motor, 3D Model

I'm working on making some animation to show how this motor goes together. I did a couple of cross sectional views that pretty much show just that. In the close up view you can see the nozzle and the insulation (the reddish colored stuff). The original version of this motor didn't use any insulation. With the short burn time and steel casing , it's really not necessary. I added insulation to this motor as the plan is to eventually epoxy fins directly to the casing in order to construct the rocket