Name : FABIANA CONSOLE
Version: 2015

High polygons and vertices
poly: 51,486
verts: 51,482

Render: Corona 9, Vray 6
Formats: 3ds Max 2015, FBX

Preview: No
Units: Millimeters
Dimension: 2000 x 450 x 800
XForm:Yes
Model Parts: 6
Render: Corona, Vray

There are 4 different color options on the model. Use the body part ID number to switch between colors.

For black : 1
For beige: 2
For white : 3
For gray : 4

Just doing this will be enough. This is how the material is defined.

References:

Black: https://www.mudo.com.tr/fabiana-konsol-siyah-renksiz/ 
Beige: https://www.mudo.com.tr/fabiana-konsol-bej-renksiz/ 
White: https://www.mudo.com.tr/fabiana-konsol-beyaz-renksiz/ 
Gray : https://www.mudo.com.tr/fabiana-konsol-gri-renksiz/ 

Good drawings, thank you.