End grain cutting boards have several advantages. It’s easier on knife edges, so it keeps the knife sharp for longer. Because the fibres are pointing upwards, the board should not get damaged so quickly as the knife edge cuts in between these fibres.
A disadvantage is that moisture is absorbed more easily through end grain, so these boards need a little more care, like cleaning shortly after use, and not allowing it to sit in water.
Here is my process:
I start with cutting both boards into equal strips and then arranging them one walnut and one maple