In days of old, when people of a township were threatened they retreated (as their last best hope) into the Keep – a heavily fortified “core” of the castle that was designed to withstand the most vigorous of attacks
So I had this odd but interesting idea that it should, given the right size of paper, be possible to fold an entire castle from it. After being inspired by Gachepaper and his exploration of Lotka I decided to give it a whirl