War Artisan is the designer of several great canvas based gaming tables. Decebalus from the Sweetwater-Forums gave me an excellent reading tipp on War Artisan´s technic. The idea and the result is really stunning. Therefore I urgently recommend to have a look on War Artisans various webpages and picture galleries. Personally I consider to give that technic a try with on gaming board test.
A friend of him did post an how-to gallery here: