Measures approximately 5"
From Eleanor Burns, veteran quilter who has combined unique style and innovative cutting methods, the Triangle in a Square package combines two rulers, a triangle and a square up, for cutting and trimming the Triangle in a Square patch. Instructions included. Triangle in a Square Ruler Set from Quilt In A Day, Includes triangle ruler for cutting triangles and a square ruler for squaring up finished triangles in square patches to 3" and 4" sizes. Triangle is 5", square is 4 1/2".