So here is the work on the back patio
The original flagstone patio had rotten timbers
on the retaining wall and had badly sunk.
In addition to reconstructing the original
we decided to add a lower level to make
an octagonal sitting area
and a rectangular place to put the grill

Initial rough layout ... proof of concept.:






Start.... of replacement





That corners finished




Now the other side.




Well,.. back to work lets finish this puppy up.