This is what I was trying to do when I made the Dollars to Doughnuts! fold. Happy accidents. This is the same in construction – see the hints sheet below – and is actually rather easier to collapse, as the overlap in the middle is graspable.
Threading the stamps is a bit tricky: you have to coil up the stamps a bit more tightly and pop them in. But once done, it’s a very cool fold, indeed. Here’s the pdf of the crease pattern.
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