Ohio Star 1. Cut the pieces. From background fabric (white) cut the following: 4 1/2 X 4 1/2 inch square--cut 4. These are your A squares. 5 1/4 X 5 1/4 inch square--cut 1. Cut into quarters along the diagonals, as illustrated below; these are your 4 B triangles. From blue fabric, cut: 4 1/2 X 4 1/2 inch square--cut 1. This is your A square. From red fabric, cut: 5 1/4 X 5 1/4 inch square--cut 1.