A user shared the modified shell, I have printed it out and assembled it as shown below.
This example is to use the old RPI2/3 to connect the display and turn on aida64 wirelessly, so that you can remove the second secondary screen but still enjoy the fun of aida64.
The full-color 2510 fan has arrived, and the lights change beautifully when it runs.
7.4 Inch 1280x400 Touchscreen
5V Colorful Fan
Raspberry Pi 2/3
8x M3x14 screws
4x M2.5x20 screws
4x M2.5x8 screws