case for Sipeed Longan Nano

This Thing is a simple boxy case for Longan Nano.

...Sipeed Longan Nano
http://longan.sipeed.com/en/
https://www.seeedstudio.com/Sipeed-Longan-Nano-RISC-V-GD32VF103CBT6-Development-Board-p-4205.html

-SD card can be inserted and removed while the board is confined to the case.
-The board can be easily removed from the case.
-A Cap are available to protect the terminals.

There are only three parts. You can see how to assemble it by referring to the photos.

Parts;
t39_4_btm.stl
t39_4_top.stl
t39_4_cap.stl

CAD file : t39_4.stp