https://www.livemaster.ru/item/53652322-dlya-doma-i-interera-lyustra-volnenie The preview was made in Corona renderer and converted to Vray format using "Vray converter". By default turbosmooth is set to: Iterations: 0 Render Iters: 2 The model in OBJ format is saved without the smoothing modifier (turbosmooth).