Round panel sculpture made of plaster.
Link: https://www.livemaster.ru/item/50026088-kartiny-i-panno-obemnoe-panno-48 
Dimensions:
Diameter: ø 1000 mm
Height: 38 mm
Units: millimeters
Formats: 3Ds Max 2012, 2015, 2018 (Vray), 3Ds Max 2013, 2015, 2018 (Corona), OBJ, FBX
XForm: Yes
Unwrap uvw: Yes
Textures: Yes
Material library Corona, Vray: Yes
Render: Corona, Vray
Ready to render
Important: the TurboSmooth modifier must be applied to import objects.
Those who work in a V-Ray version 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 - whichever is preferable for you.” If the CORONA version is higher than 1.4: “For Corona render, it is recommended to install the version no lower than 1.5, since the glossiness of the materials is adjusted taking into account PBR.