My calculation is that you need 98 blocks, 4 corner triangles, and 26 setting triangles. Diagonal rows have blocks as follows:
Rows 1 and 14: 1 block, 1 corner triangle, 2 setting triangles
Rows 2 and 13: 3 blocks 2 setting triangles;
Rows 3 and 12: 5 blocks, 2 setting triangles;
Rows 4 and 11: 7 blocks, 2 setting triangles;
Rows 5 and 10: 9 blocks, 2 setting triangles;
Rows 6 and 9: 11 blocks, 2 setting triangles
Rows 7 and 8: 13 blocks, a setting triangle and a corner triangle