There is a 3D model of the Greg Heisler's friend. The photographer uses him to show different lighting techniques to students, thus the friend is really handsome.

I created this model with Trnio. My (hamble) opinion is that Trnio is just a horrible app. I spent days (!) trying to render at least one (out of 10 or 15) models, and I succeed only with this one.

Another set of difficulties was to proceed this guy through ScetchFab and Meshlab. It wasn't easy, but, anyway, I managed in cutting bad parts of model and dealing with lighting.