Pendant lamp in the form of a spherical ceiling in a frame made of perpendicular arcs from the company - Lampatron.
Products webpage:
https://www.lampatron.ru/cat/item/design-lamps-nasta/ 
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Item: NASTA01
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Material Metal, Glass
Frame Color Black
Shade Color White
Dimensions
Ø 43 × 47 cm
(Diameter × Height)
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In the archive:
* .max 2015_corona
* .fbx
* .obj
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Model for smoothing (turbosmooth). Set desired
level of iterations in the modifier.

File for export under anti-aliasing. Apply modifier
smoothing.
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For all questions regarding the model.