And the Walls Came Tumbling Down, Again

“We also get to talk about tension and compression,” he said, though he avoids technical terms. “We talk about pushing and pulling.”

His big innovation is using blankets to wrap two large cushions so that they create a large wall panel that can stand on its edge. In fact, he creates several such panels. Then he uses another blanket or sheet to attach adjoining panels, in effect connecting the walls of the fort.