One could make a 24 inch block - or any size block that is easily divisible by 6 - it drafts nicely on a 6 x 6 grid.
If you are willing to put a seam where I drew a red line, it is a lot easier to draft it.
And assemble it, too - as far as that goes.
Last edited by bearisgray; 11-24-2016 at 10:41 AM.