Originally Posted by bearisgray

For the first one you listed -

Theoretically -

If you cut your strips at 2-7/8 inches, and each "square" of the 5x5 grid finished at 2-3/8 inches - the block would finish at 11-7/8 inches.

Or you could ask someone to draft it in EQ and size it to 12 inches finished and use those templates.