Diy Wood Pellet Tray . Squeeze the biscuits into the biscuit. Diy farmhouse trays are so useful for any home. EZ Cold Smoker Tray for Pellet Smoking from www.bbqspitrotisseries.com.au After all the pieces have dried, now you can assemble your tray! One 1×3 board (actual size is 3/4 inch by 2 1/2 inch) cut into 4 boards at 19 inches each. For my diy wood tray, i used a coat of stain and then three coats of polyurethane.