from the publisher's description The DM Add-On Layered pdf allow you to print out all of the Blue Dungeon Tile 4x4 and 4x6 designs. It also allows you to combine tile designs or add elements like square or round columns to make new designs by turning on layers. New 8x8 and 8x6 "mega tiles" can be created as shown in the screenshots below. The download consists of 2 separate layered pdfs. The first layered pdf is for making the 4x4 and 8x8 tiles. The second layered pdf is for making 4x6 and 8x6 tiles. A bonus pdf is also included that contains two sets of creature counters that can also be printed out.