Ah sorry I think I need to clarify, the model is still WIP, that grey phone is just a diffuse placeholder, it hasn't been unwrapped yet. Same with the paneling on the right hand side, only it's been unwrapped and just has a basic color applied to the texture. The issue is that a spec map and a normal map exist for pretty…
Also, most of these shadow calculations are done in engine. Either via static rendered lightmaps or some fancy realtime GI system. I doubt TS has this, so baking in shadows may be prudent. I would expect it to have normal maps and specular highlights which is what throttle is trying to get at. Your materials are just…