Way better to see in person.
Quite difficult to pull off.
Knew of a Mason on the late 70's early 80's that did it in brick or rock.
Called: Crazy Brick or Crazy Rock as the case may be.
I thought that guys name sounded familiar. I have run across it before and posted here about him. I guess I like his work!Lew French is his name thanks for that link. great guy very level headed