Assemble Block B
1. Sew a black dotted line 3-1⁄2x12-1⁄2" strip to top edge of a T-shirt 12-1⁄2" square (Diagram 3). Press seam toward black print strip. Add a black dot 2-1⁄2x15-1⁄2" strip to right-hand edge to make Block B. Press seam toward strip. Block B should be 14-1⁄2x15-1⁄2" including seam allowances. Repeat to make a reversed Block B, sewing black dotted line strip to bottom edge and black dot strip to left-hand edge.
2. Using black scribble print 3-1⁄2x12-1⁄2" strips and black circle print 2-1⁄2x15-1⁄2" strips, repeat step 1 to make a second Block B and a second reversed Block B.