Hello Nayab and list:You might want to look at a new device called the Tripple Impression. It is a pen plotter that can create raised images. You can find more information by contacting Enabling Technologies
http://www.brailler.comThe only other way I can think of getting an image would to use a CNC machine such as the Roland MDX-40. The Roland site is:
http://www.rolandasd.com You might find that a combination of equipment would be beneficial. Regards, Robert Jaquiss