Press and starch all fabrics prior to cutting. Use a scant 1/4" seam.
12" finished block
From fabric 1, cut:
{A} (16) 3½” squares
From fabric 2, cut:
{B} (4) 3½” x 6½” rectangles
From fabric 3, cut:
{B} (4) 3½” x 6½” rectangles
Draw a line corner to corner on the back of (1) 3½” Fabric 1 square. Align it, right sides together, on (1) Fabric 2 rectangle. Sew on the line. Trim the seam to ¼” and press to Fabric 2. Repeat with another Fabric 1 square, sewing it to the other end of the Fabric 2 rectangle, keeping the slant going in the same direction. Make 2.
Repeat using Fabric 1 squares and the Fabric 3 rectangles. Make 2.
Draw a line corner to corner on the back of (2) 3 ½” Fabric 1 squares. Align (1) square, right sides together, on (1) Fabric 2 rectangle. Sew on the line, trim and press towards Fabric 1. Repeat with the other Fabric 1 square, ensuring the slant is going in the opposite direction, to create a Flying Geese unit. Make 2.
Repeat using the Fabric 1 squares and Fabric 3 rectangles. Make 2.
Layout the block as shown. Sew (1) Flying Geese unit to (1) Parallelogram unit. Press towards the Parallelograms. Sew all four units together to create the block.