boards.
next take the 4×4 board and starting at one side make a mark at 15″. cut then mark another 15″ and cut, keep doing this for the length of the board. you will come out with #8 poles. this is how much i had left after this.
here is the amount of wood left over.
now you will take your pencil and mark your 4×4 post. mark 2″ down from the top of each post. turn every post one direction (rotate once) and mark 2″ again. this line is were your boards will line up on the post.
this part you do not have to do but i wanted everything to look the 