Island sci fi 3D model

This is a cosmic island .. There are smoothing modifiers, symmetry on some objects .. I didn’t delete it .. On the grid render in the principle you can see what objects they are assigned. Ordinary materials Vray. see in the screenshot .. This if you suddenly need it for deformation. Also in the scene there are not converted splines. In general, you can work with geometry and continue to change how you want)In the obj and Fbx files, the modifiers are converted