Here is the 6 1/2" Star Point block and the leftovers. There will always be leftovers as that is the nature of the cut down method but there are ways to use the leftovers. You will not waste any fabric. I never throw anything away until it is nearly threads. There are always ways to use scraps.
This way of cutting however will have less leftovers than the swatch method. I prefer to have the larger leftovers as I reuse them into more blocks. That way I don't have to sort and cut more fabric. It is already there ready to use. Colors have already been chosen and I can just pick it up and go on sewing.