I really enjoyed tweaking this card to make the instructions super simple no matter what size cardstock you're using. For reference, I started with a sheet of A4, but this tutorial will work just as well with letter size. 1. Place your cardstock horizontally on your trimmer and cut in half. 2. Place one of the halves horizontally on your trimmer and cut in half again. 3. Place one of those halves horizontally on your trimmer and cut in half. You should now have four pieces of cardstock - one…