If you use 3D printing to make flag, you need to adjust the height of the flag to 80mm, 0.4mm thick, and add the part in the figure below to install it inside the flagpole.
If you print your flag on paper, print according to the size of the figure below. After printing, the flag need to be folded and pasted, the blank area on the left need to folded several times until the flag can be plugged into the flagpole.
可以按上述两种方法制作任意你想展示的旗子。
You can make any flag you want to show according to the above two methods.