Millimetres:

220 x 128 x 220 mm,
170 x 100 x 170 mm,
130 x 78 x 130 mm,

Renders were made in Coronarenderer, materials were converted to Vray using Vray-converter.

Objects, textures and materials have logical names.

For Corona render, it is recommended to install version no lower than 1.5, since the glossiness of materials is configured taking PBR into account.

https://www.archiproducts.com/en/products/bomma/blown-crystal-wall-lamp-ceiling-lamp-dew-drops_667466#