GO! Fabric Cutting Dies by AccuQuilt: Triangles in Square (3-inch Finished). Cuts two 3-1/2W x 3-1/2H inch A shape triangles and four 3-1/2W x 2H inch B shape triangles. Cut even more with up to six layers of 100% cotton fabric. Easily cut perfect triangles that piece together to form a 3" finished triangle. Use one shape A center triangle with one pair of shape B side triangles for a square. Notice we have cut off the dog ears on the triangles for easy alignment. AccuQuilt GO! shapes are designed to cut with precision and speed-and to sew together beautifully! Use with the GO! Fabric Cutter and GO! Baby Fabric Cutter (both sold separately). Requires 6x12 inch mat (not included). Warranty: AccuQuilt GO! Dies are manufacturer guaranteed for one year. Die packaging includes project directions for a Triangles in a Square to GO! quilt. Imported.