https://www.luxuryfurnituremr.com/content/26162.html
Included: corner sofa.
The grid is squares, suitable for smoothing, on some details the turbosmooth modifier. In the archive files version 2012, 2015. The same file FBX.
For the whole model:
polys: 142,426
verts: 153 456
For turbosmooth - 1
polys: 656,710
verts: 384,366