When you find out that these wonderful paintings by Chris Finley are computer manipulations of other images, it's more of a "Duh !" moment than a disappointment. And you still appreciate these "line" paintings even though the source image might have been a portrait.
You can read about that Here.
Acme Gallery has 14 examples of his work and do visit his Website.
The image is from Artnet where you'll find 11 images of his sculptures and paintings.