Design duo Fox and Freeze, James van Vossel and Tom de Vrieze, produced their first studio collaboration called the ff1 or fox & freeze 1 chair. It is an indoor lounge chair made out of 1 square sheet of synthetic felt which is twisted and tightened in place with a flax rope. Watch the little clip showing just how much the structurally self-supporting chair can withstand the force of a jumping adult.
felt sheet is bent and slotted into place
detail of the slots