14 Pieces (metric mm / +- imperial inches):

1 of 54 x 54 x 305 /  2 x 2 x 12

2 of 51 x 51 x 205 / 2 x 2 x 8

1 of 38 x 38 x 385 / 1.5 x 1.5 x 15

1 of 47 x 47 x 310 / 2 x 2 x 12

1 of 47 x 47 x 195 / 2 x 2 x 8

2 of 47 x 47 x 160 / 2 x 2 x 6

1 of 47 x 47 x 125 / 2 x 2 x 5

1 of 47 x 47 x 115 / 2 x 2 x 4.5

1 of 38 x 38 x 310 / 1.5 x 1.5 x 12

1 of 38 x 38 x 245 / 1.5 x 1.5 x 10

2 of 38 x 38 x 220 / 1.5 x 1.5 x 9