I've met Scott and seen his work. It's all laser cut on a big machine in his workshop. I have a tremendous respect for his artwork - yes its cut by laser, but all the drawings are done by hand and finely rendered. He's just trying to get people to think outside the lines of the objects they're looking at.

Anthony Bourdain did a hilarious little clip about this tourist habit in "No Reservations" when he visited Pisa:

http://tinyurl.com/5krg77