I think its planning on being 48" x 60" ...
Those blocks will be 6 1/2" sq, and 6 1/2" x 9 1/2" (x 2) and 6 1/2" x 12 1/2".
Im a bit uncertain how to make the coffins ???
so skipped that block and spent the weekend making these in its place ...
Can anyone out there give me some pointers?