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

The object is modeled for anti-aliasing, the turbosmooth modifier is assigned:
View iters — 0
Renderers — 2
The stack is not collapsed

Export to OBJ is done without using turbosmooth modifier

All textures, materials and objects are logically named

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

Dimensions of one table:
H 80 W 300 D 120 cm

https://studiotwentyseven.com/furniture/modulo-table-by-stefania-digregorio-mirko-sala-tenna-enrico-serventi/ 

The model is suitable for kitchen, dining room, living room, restaurant, cafe, coffee shop, pastry shop, living space, reception, 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."