Here is a link to Vison Engraving and Routing Systems Sign Machine video. The video shows their line up of CNC Engravers (http://www.visionengravers.com/index.html) & CNC Routers (http://www.visionrouters.com/index.html) and what types of signs their CNC machines (http://www.visionengravers.com/products/products.html) can make.

click on link below to view video
http://www.visionengravers.com/videos/Sign_ApplVideo.html