Modifier (Hair and fur) was not used.

The dimensions weren't changed using scale. The maps were adjusted via UV channels, so there was no deformation.

In the archive, in the image named “importand”, the render settings are shown (Render Setup F10).

Name: Blanche Lines Carpet
Export: FBX, OBJ
Polys: 736
Verts: 796
Dimension: 1) 300x400
2)200x290
3)160x230
4)80x150

https://latiendadealarcon.com/es/alfombra-blanche-lineas-8522-blanco-universal/