I’ll be perfectly honest: I never understood what Chris Palmer was doing with his “PolyPouches”. I had tried going to his website a few times to find out information about his work (no luck there!) but all I found were these things he was calling PolyPouches, and it asked me to buy a subscription to find out more. I just shrugged it off at the time, having no idea what they were thus not a lot of interest. However, the other day I came across this site which features photos from an Origami USA convention in 2001. And by looking at this wide array of them, I figured it out- they are the shapes that are formed at pleat intersections; the kind that those of us just getting started in tessellations are discovering as we go along. He’s already mastered all of this, of course, but for us it’s new. Once I realized that was what these were, it really opened my eyes to some of the possibilities inherent in 3d pleat junctures and just …