Corona version 9 CoronaLegacyMtl + Vray Materials Vray materials are obtained using Vray-converter Turbosmooth is open Fleur Ball Pit https://nuageinteriors.com/collections/all/products/fleur-ball-pit Boucle Ball Pit https://nuageinteriors.com/collections/all/products/boucle-ball-pit Arlo Slide https://nuageinteriors.com/collections/all/products/copy-of-bundle-ball-pit-activity-walker CoronaLegacyMtl requires Corona Renderer version 1.5 or higher, as the maps are designed to use PBR (roughness-metallic) Those who work in V-Ray version lower than 3.1, be careful, in the materials in the BRDF section there is Microfaset GTR (GGX), if your version is older than 3.1, then the BRDF field will be empty. Select Blinn, Phong or Ward - what is preferable for you. All maps are designed for the PBR roughness-metallic workspace.