Renders for preview are made in Corona Render 10
On the Corona Legacy Mtl, Corona Light Mtl model

Objects are modeled for anti-aliasing, turbosmooth modifier is assigned:
View iters — 0
Renderers — 2
Stacks are not collapsed

Export to OBJ is done without using turbosmooth modifier

All textures, materials and objects are logically named

Set composition:
Three Modulo floor lamps by Stefania Digregorio, Mirko Sala Tenna & Enrico Serventi made of textured cast glass cubes in green with Diamond Lustre finish and stainless steel frames

Dimensions of a low floor lamp:
H 90 W 40 D 40 cm

Dimensions of the average floor lamp:
H 160 W 40 D 40 cm

Dimensions of a tall floor lamp:
H 200 W 40 D 40 cm

https://studiotwentyseven.com/lighting/modulo-floor-lamp-by-stefania-digregorio-mirko-sala-tenna-enrico-serventi/ 

The model is suitable for a living room, bedroom, corridor, hall, study, entrance hall, cafe, coffee shop, pastry shop, beauty salon, living space, reception, hotel, office, recreation areas, public space

"For Corona Render: it is recommended to install version not lower than 1.5, since the glossiness of materials is configured taking into account PBR."