DRAFT 004 is almost a complete redesign of its predecessors. Using 26 sheets of 61x100cm cardboard, DRAFT 004 is estimated to hold a human body weighing up to 100KG.
After printing, cutting and assembling the paper-model it seems that, while there is a list of design modifications to make, the next version will be the final design and be ready for laser cutting and practical use at full scale.