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Box-Lid
A box with a lid made out of a single square paper. It’s not as pretty as the square box with lid, but it can come handy.
What I personally really like in this model is the integrated lid. Since the corners are locked and the lid holds itself on the box by interlocking the four parts it won’t open without somebody wanting to open it.
A useful origami by Marc Vigo Anglada.
Paper to use
One single square paper.
Instructions