The paper survived and the resultant creepy crawley is interesting if not perfect.
Missing steps and powering on, only have to backtrack, characterised this mammoth 6 hour fold. Some steps are small but have long term consequences and I was worried that unfolding and refolding would cause the paper to disintegrate, fortunately not.
It was a wonderful exercise in precision, as the bases and collapses were all designed asymmetrically. I must try this again with a slightly larger sheet – working at this scale was very challenging for my fat clumsy fingers, however the result is nearly life-size,