Sometimes I stop sewing a strip 1/4" from the end, then fold back the batting and slide in a cutting board (my 6"er hasn't shown up from out move) so I can use my rotary cutter. More often, I use scissors.In either case, be careful to follow the fabric edge. More often, I attach the NEXT strip, then go back and cut the last one to length. You can do the same thing with a rectangle, but it is not as interesting, IMHO.
I see that pix 3 and 4 are reversed. When I don't want to finger press, I use a paper hanger's edge roller. It makes a great "iron".
Pressing the seam before adding the next strip
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