3d sconce model Zig-Zag Wall light from Loft Concept factory, article 44.408.BN.WT.T1B.

The objects used turbosmooth modifier.

corona 1.7
vray 3.2
max + obj

Dimensions:

1200x1200x400

polys / verts:

24200/12392

maxfile ~ 1,4mb

Who works in the V-Ray version is lower than 3.1; be careful, in the materials in the BRDF section there is a Microfaset

GTR (GGX), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - which is preferable to you.

For Corona render, it is recommended to install a version not lower than 1.5, since the glossiness of materials is configured with

subject to PBR.