Procedure 1.On the cardboard, draw where you want your lines of yarn to be. 2.Coat a piece of yarn with glue and lay it onto the lines you drew on the cardboard. Repeat this until your design is complete, then let it dry. 3.Brush on a layer of glue onto your cardboard and yarn. Cover it with foil, pressing down and removing all air bubbles. Be careful not to tear the foil. Let glue dry. 4.Color in flat areas with sharpie markers. Leave raised areas plain.