Sconce with three spherical shades of different diameters.
https://www.lampatron.ru/cat/item/design-lamps-doll/ 

The model is presented in two colors:
Gold, black brushed metal.

Dimensions: 12 × 55 cm
Diameters of shades: 10 and 8 cm.

The archive also includes the obj file.

For Corona render, it is recommended to install a version of at least 1.5, since the glossiness of materials is configured with PBR in mind.