Cookies by Lampatron

https://3dsky.org/3dmodels/show/cookie_ot_lampatron_2

Platform: 3dsMax 2017 + obj Render: Corona

COOKIE series of wall mounted LED luminaires with cut-out segment disc-shaped metal diffuser and wooden core from lampatron
https://www.lampatron.ru/cat/item/design-lamps-cookie/ 

Diameter: 220mm
Projection from the wall: 50 mm
There are 4 different combinations of materials in the scene

For Corona render, it is recommended to install a version of at least 1.5, since the glossiness of materials is configured taking into account PBR