Wrights/EZ Acrylic Templates cover all the bases. They're thick and sturdy, so they'll stand up to years of wear. The collection is a must for every quilter! Easy Angle II- Makes half-square triangles, squares, attic windows, etc. in 8 sizes from 1" to 10 1/2". Built in 1/4" seam allowance. Ideal for use with a rotary cutter.