Applying Braille to a Space

http://www.retrotogo.com/2007/03/inhabit_spaceag.html

http://www.davideradaelli.com/design/braille.htm

http://www.alibaba.com/product-free/217204597/Safety_Sheet_Tile_for_the_disabled.html

http://ifitshipitshere.blogspot.com/2007/08/design-is-blind-beautiful-objects-with.html