Strutcture:
2 top outer boards (1200 x 145 x 22)
4 top intermediate boards (1200 x 100 x 22)
1 top middle board (1200 x 145 x 22)
3 cross boards (1000 x 45 x 22)
3 bottom outer boards (1200 x 145 x 22)
9 blocks(145 x 145 x