Originally Posted by kristakz

I think the block is more stable if all your grain lines go the same way. So a square might be cut on bias, and then set into a square-in-a-square setting - with the resulting outer edges on straight grain and the straight grain of the block you cut on bias then running straight across the square. Does that make any sense? It is the only reason I can come up with for cutting something on bias - to end up with the block on-grain.