Assemble the Block
1. Sew together one white print triangle and one purple check triangle to make a triangle-square (Diagram 1). Press the seam allowance toward the purple check triangle. Repeat to make a total of four white-and-purple check triangle-squares. In the same manner, make four white-and-tan triangle-squares and four tan-and-purple check triangle-squares.
2. Lay out the triangle-squares and dark purple print squares as shown in Diagram 2. Sew together to make one of Unit A and one of Unit B. Repeat to make a second Unit A and a second Unit B.
3. Sew together the units in pairs (Diagram 3). Press the seam allowances toward Unit B. Then join the pairs to make a block (Block Assembly Diagram). Press the seam allowance open.