Ten Degree Rulers by Phillips Fiber Arts are used to make circular quilts and wallhangings, quilts with circles, tree skirts and more! Ten Degree Mini Wedge makes 25" circles. Cut and sew together 36 ten degree wedges to make a 50" circle with 36 wedges. Designs based on multiples of 2, 3, 4, 6, 9 and 12 are possible with the 10 degree Wedge. Includes a master circular grid for designing purposes. Use with Spicey Spiral Tablerunner pattern.