[Origami] Origami Mathematics Video

Hello, The Numberphile channel on YouTube (Mathematics focused, ~1.4 million subscribers) has today once more featured an origami related subject. They reference the Demaine's paper on the 'Fold & Cut Theroem', in the 9 minute video, here: https://www.youtube.com/watch?v=ZREp1mAPKTM Kind

Re: [Origami] Dry Tension definition (FWD reply from Yahoo user)

(Forwarding reply for Yahoo user roman diaz , please reply to the list or to the original author, not to me!) Robert Lang said: "If one folded the masu without sharp folds at the four vertical edges, so that the sides were smoothly curved around the corners, then I