There are two versions of Corona 2021, 2016 in the archive
The model uses materials:
CoronaLegacyMtl - requires a version of CoronaRender at least 1.5
. The color of towels and decor can be changed using CoronaColor. All models have high-quality UVW mapping, materials with logical names, Turbosmooth smoothing modifier is applied on towels.
When using OBJ, please apply MeshSmooth/TurboSmooth with 1-2 iterations.Scene in mm

The size of the first set is 530x200x200 mm
The size of the second set is 480x310x136 mm
For Corona render, it is recommended to install a version not lower than 1.5, since the glossiness of materials is configured with PBR in mind