This Sauna model is made with Blender 2.79b

Total Verts   : 5810
Total Faces  : 5808

Textures Used : 2k (Base Color, Metallic, Roughness, Normal )
Principled BSDF material is used for all Objects

HDRI map used for lighting the scene

This model has 2 layers
1st Layer   : The model
2nd Layer   : Shadow Catcher Ground Plane

This model is fully UV Unwrapped and named properly

AO maps are included

fbx version of the model is also included