Realism of 3D art can be achieved with a large amount of availability.
As well as some fun stylized props, this mystical stone model was made from garden decor out in the backyard.
^ Poor chap is missing a leg
I believe you can use MeshMaker in Maya as well to refine your models but all refinement was done directly in Photoscan..
Results can be worth it if you take the time to prepare / have the proper equipment.