How to Make a Tillering Tree for Traditional Archery Bows By geronimogo in WorkshopWoodworking12,01278Save PDFFavoriteIntroduction: How to Make a Tillering Tree for Traditional Archery BowsBy geronimogogogeronimoFollowMore by the author: You will need a 1x2x4 piece of pine and a square piece of wood at least 3/4 inch thick. I also use some pieces of scrape wood.