the wheel of Raspberry Pi
thingiverse
add four wheels on the Raspberry-Pi‘box，make the Raspberry Pi like a car.
Download Model from thingiverse
With this file you will be able to print the wheel of Raspberry Pi with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on the wheel of Raspberry Pi.