Each letter is composed by up to 12 squares, with 3 squares of width and 4 of height.
Some Characters get simplified to fit in the grid, characters like "M" or "W" are a little subjectified.
Because this font don't have diagonals, it can be resized indefinitedly, if you use some software without anti-alias smoothing to destroy the edge of the font.
It's a very good font to simulate some QR code, or when you need all letters with the same size.
