2 object
2 color crystal
2 color metal

– Diameter: 80cm 60cm 40cm

– File: max obj texture

– For those who work in a VRay 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. Choose Blinn Phong or Ward