The Tall Triangle Ruler by Lori Holt of Bee in my Bonnet is a 45-degree, sturdy plastic ruler. It is 5- and 10-inch stacker friendly and is used to create Lori’s Plaid Pines Quilt. Click here to purchase the Plaid Pines Quilt Pattern (see photos).
Be sure to watch the Triangle Trees Tutorial to watch Lori makes these cute trees.