One way I've seen it done is to create a PCB with heavy copper, and then use that to cast gelatin or some other skin analog. http://torkjel.com/projects/attack

One way I've seen it done is to create a PCB with heavy copper, and then use that to cast gelatin or some other skin analog. http://torkjel.com/projects/attacking_fingerprint_sensors.pdf http://torkjel.com/projects/attacking_fingerprint_sensors.pd... Creating PCBs can be with very short turn around times or even in house.