I would be interested in larger pieces - at least 8.5 x 8.5, preferably 10.5 x 10.5
The reason for asking 8.5 and/or 10.5 is that there is a lot more flexibility into cutting it into smaller pieces.
I've had 6 inch squares - that I cut - and have not been able to get three 2x6 strips out of them. I always end up short on that last strip. Doggone if I know why. I KNOW I cut relatively accurately -