A collection of interior partitions, whose profile is distinguished by volumetric geometric
pattern in the form of stairs. The profile itself is made of anodized or
lacquered aluminum. As a decorative insert is used glass and various
natural and artificial materials, featuring a wide choice of colors and textures.

The model has 4 door options and 5 material combinations.
The dimensions of the valves are easily edited. You can make any version of the doors to 6 doors.
Size of one leaf:
600 1900
https://doors-sofia.ru/razdvizhnye-peregorodki/scala/ 

Name: Door_Sofia_scala_2
Version: 2013
Preview: Yes
Units: Millimeters
Polys: 52,798
XForm: Yes
Box Trick: Yes
Model Parts: 19
Render: V-Ray, Corona
Formats: 3Ds Max 2013, OBJ, FBX