I stumbled on this write-up of using a simple small laser engraver. And I got curious as to the cost of it. Its under $100. Pretty impressive for the price.
Write-up here http://www.instructables.com/id/Laser-engravercutter/
Where to buy
http://www.gearbest.com/3d-printers-3d-printer-kits/pp_240242.html