The origami method of a simple triangular paper box is to fold out the components first, then insert the three components to form a box. The lid can also be folded out in the same way, just adjust the size.
Let’s take a look at the origami diagram of the most critical individual components.
Step-by-step diagram of the individual components of origami.
You can consider folding 3 components using paper of different colors.
Put them together in pairs.
The bottom of the triangular box.