Absolutely, creatively genius.
I have been volunteering at a fundraising gift wrap table recently and this incredible trick was shared by a customer to another volunteer who then passed it to me. Since then I have shared it with every other volunteer and numerous customers because of its sheer simplicity and practicality.
This is how to get twice as many gift boxes out of your current supply and/or create new sizes from what you already have.
Step one: Get a box top or bottom.
Step two: Fold one end to up to the opposite flap edge.
Step three: Fold the other side to the opposite flap edge.
Step four: Using scissors cut the creases to the box edge.
Step five: It's ready to use. Just open it up. To close, tuck the small, square flaps that you cut to the inside of the box. It's really easier done than said.
This trick works great with gift boxes that get partially crunched or scarred with a tape rip. If you do not already reuse gift boxes then I really hope you at least recycle them. If not,
(These photos were taken with an iPhone and are by no means intended to be "real" photos, just snapshots of where I was and what I saw.)