Wonder if Kinkoes is planning on getting into the business? Probably not; ATF’d be all over them like white-on-rice. Maybe some “Covert 3-D Cafes” will spring-up in some warehouses or underground bunkers. Lots of possibilities, though.
Staples is already in the business, but not in my neck of the woods.
The idea of renting them would be to relieve the owner of liability. You’d sign some release form and plug in the instructions and push the button yourself. In that way, they didn’t actually participate in the manufacture of whatever “evil” product that was made.