Thanks for the model. Only 1 question, why create so many complex materials in each model? Because of the mats, it's very difficult to render your models in scenes ..

Preview in better quality

https://psv4.userapi.com/c848336/u193479164/docs/d6/751cf321f675/1.jpg?extra=5yJ7EK4ZSdjyx3EzYTllAxCesxM15RjY0c-H3YPLWeVogc5MOm9hnpB7SM75mypVOPjxjzF3Eyrmnd-59kx6XHL15NaEfBqgV0nq-_PoqJqH1XoCW7ijUkJkhf49CTCxdIIkQbjZE3beIlZC