Design-Files can be found, modified and evolved in Tinkercad:Top of the Raspberry Pi Case: https://tinkercad.com/things/4D2UcfMQOx6-3dppraxis-raspberry-pi-case-topBottom of the Raspberry Pi Case: https://tinkercad.com/things/7CG5tCmLwDz-3dppraxis-raspberry-pi-case-bottom