There are 3 files inside the archive according to the preview:

1) Sfere_one_sided
2) Sfere_two_sided
3) Sfere_two_sided_ (group_of_3_lamps).

There is a library of materials.

You can use the lamps individually, or a ready-made composition, modify it to your taste, or create your own by combining different lamp models.
All objects and groups of the model, as well as materials have friendly names in English. Luminaire cables are modeled for maximum length.
The pivot point of the luminaires is located at the point of attachment to the ceiling. In FBX files, you must assign the anti-aliasing modifier to the appropriate objects.

Note:
For Corona render, it is recommended to install a version not lower than 1.5, since the glossiness of the materials is adjusted taking into account PBR.

Manufacturer: Ghidini 1961 (Italy)

Sfere is a pendant lamp with a free interpretation of space, where brass spheres can reach various configurations, in a balance of counterweights. Two versions of the luminaire: with one suspension (two spheres) and with a double suspension (4 spheres).

Dimensions:

ceiling plate - 25 cm (9.84 ")
spheres - 12 cm (4.72 ")
cable: 5 m (196.85 ")

Possible places of use: living room, kitchen, dining room, hall, reception, reception, bedroom, office, study, cafe, restaurant, hotel, hotel, etc.

Styles: minimalism, high-tech, classic, modern, Scandinavian, modern

Products webpage:

https://www.ghidini1961.com/shop/en/brass-lamps/74-sfere-single-suspension-lamp.html