In the picture you can see the appearance of the skull, and it is obvious that the 3D model is not very realistic and does not have many details, but it is well-modeled and can be used for numerous different purposes. This is just a 3D model that can be downloaded for free, and it does not have any textures, lights, and the like, which means that, if you need rendering, you will have to do it yourself.
The original 3D model which we tried to draw (Author: DGordillo): Skull 3D model - .BLEND file format