Carpet in three colors

https://trnk-nyc.com/collections/indoor-rugs/products/puddle-02-area-rug 

Check in the scene settings that you have Displacement enabled.
Displacement in Render Setup:
Corona: Performance tab - Displacement - Screen Size (px): 2

Corona version 9
The model uses the following materials:
CoronaLegacyMtl - requires CoronaRender version not lower than 1.5

Carpet for bedroom, living room, children's room, playroom, office.