Машинобудування стелі (354593)

3d model: mechanical equipment under ceiling contains canals , wire , .... parts are separated and they are in different groups for easier work and editable . 

modeling in 3dmax 2018 and save as in max 2015 version

Materials: Black metal. silver metal and concrete roof and mesh false ceiling. 

Those who work in V-Ray versions lower than 3.1, be careful, in the materials in the BRDF section there is Microfaset GTR ( GGX ), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - whatever suits you best.