Don't know the name & couldn't find the pattern anywhere,but for anyone interested it is simply
dark squares cut at 8.1/2 and 4.1/2" -
strips of 4.1/2" white and two med.blue cut 2.1/2" sewn either side, and cut into 4.1/2" sections
and a square-in-a-square of 8.1/2" with a light blue centre and 2 triangles of both med.blues.