to symbolize the uniqueness of each person’s perceptual filters, different membranes were created. these membranes allow varying levels of information and stimuli to pass through — some let more in, while others provide more shielding. this means some people are more sensitive and delicate, while others are more resilient, yet each filter remains entirely unique. the membranes were crafted from materials such as glucose, bioplastic, and leaves, or are generated by ai.