Ammo boxes PBR

This pack contains:

- 3 ammo boxes
- 2 ammo boxes are animated with open/close
- all boxes have LOD0, LOD1, LOD2
- PBR textures for the unity standard shader
- Texture sizes: 2048
- Ready to use prefabs of all models are provided
- Only 3 materials
- Tris count:
Ammo_box1_LOD0 - 2357
Ammo_box1_LOD1 - 1346
Ammo_box1_LOD2 - 847
Ammo_box2_LOD0 - 3544
Ammo_box2_LOD1 - 1092
Ammo_box2_LOD2 - 739
Ammo_box3_LOD0 - 1776
Ammo_box3_LOD1 - 961
Ammo_box3_LOD2 - 204